The abbreviations in the list:
　　< (from), a. (adjective), dim. (diminutive), esp. (especially), fem. (feminine), n. (noun), neut. (neuter), pl. (plural), p.past. (past participle), pr.past. (present participle), sing. (singular), suff. (suffix), v. (verb), usu. (usually), Ar (Arabic), Brit (British), Fr (French), Gr (Greek), Ital (Italian), Lat (Latin), LLat (Late Latin), MDu (Middle Dutch), ME (Middle English), Med Lat (Medieval Latin), NLat (New Latin), OE (Old English), OFr (Old French), OItal (Old Italian), Var./var. (variation), VLat (Vulgar Latin)
　　
　　Prefixes
　　A
　　a- 1 or an-， without; not (amoral) [Gr]
　　a- 2， 1) on; in. (abed) 2) in the direction of (astern) 3) in a specified state (aflutter) [<OE]
　　ab-， away from (aboral) [Lat]
　　acantho- or acanth-， spine; throne (acanthus) [<Gr]
　　aceto- or acet-， vinegar; acetic acid (acetometer) [<Lat]
　　actino- or actin-， ray; beam(actinometer) [<Gr]
　　acro- or acr-， 1) height; summit (acrophobia) 2) beginning (acronym) [Gr]
　　ad-， toward; to; near (adrenal) (Lat)
　　adeno- or aden-， gland (adenovirus) [<Gr]
　　aero- or aer-， 1) air; atmosphere (aeropause) 2) aviation (aeronautics) [<Gr]
　　agri-， farming (agribusiness) [<Lat]
　　agro-， field; soil; crop production (agronomy) [Gr]
　　algo-， pain (algolagnia)
　　allo-， other; different (allophone) [Gr]
　　alti-， high (altitude) [Lat]
　　ambi-， both (ambivalence) [Lat]
　　amphi-， both; around(amphibious)[<Gr]
　　amylo- or amyl-， starch (amyloplast)
　　an-， var. of a-
　　ana-， upward; up (anabolism) [<Gr]
　　andro- or andr-， male; masculine (androgen) [<Gr]
　　anemo-， wind (anemometer) [<Gr]
　　angio-， container (angiosperm) [Gr]
　　Anglo-， England; English (Anglophile) [<LLat]
　　aniso-， unequal (anisotropic) [<Gr]
　　ante-， 1) earlier (antedate) 2) in front of (anteroom) [Lat]
　　antho-， flower (anthophore) [<Gr]
　　anthropo-， human being (anthropoid) [Gr]
　　anti- or ant-， 1)a. opposite (antiparticle) b. opposed to (antinuclear) c. counteracting (antibody) 2) inverse (antilogarithm) [<Gr]
　　apo-， away; apart (apogee) [<Gr]
　　aqua- or aque- or aqui-， water (aquanaut) [<Lat]
　　arbori- or arbor-， tree (arboriculture) [<Lat]
　　arch- or archi-， 1)chief; highest (archbishop) 2) extreme (archconservative) 3) first; most basic (architrave [<OItal]) [<Gr]
　　archeo-， ancient; old(archeology)[<Gr]
　　arterio- or arteri-， artery(arteriosclerosis)[<Gr]
　　arthro- or arthr-， joint (arthropod) [<Gr]
　　asco-， sac (ascomycete)
　　astro- or astr-， 1) star (astrophysics) 2) outer space (astronaut) [<Gr]
　　atmo-， vapor; gas (atmosphere) [Gr]
　　audio-， 1) hearing (audiology) 2) sound (audiophile) [<Lat]
　　auri-， 1) gold (auriferous) 2) ear (auriform) [<Lat]
　　auto- or aut-， 1) self; same (autobiography) 2) automatic (autopilot) [<Gr]
　　avi-， bird (aviculture) [<Lat]
　　
　　B
　　bacterio- or bacteri-， bacteria (bacteriophage) [<Gr]
　　baro-， weigh; pressure (barometer) [<Gr]
　　batho-， deep; depth (bathosphere) [Gr]
　　be-， 1) to make; cause to become (benumb) 2)a. to cover with (befog) b. on; over (bedaub) 3) used as an intensive (belabor) 4) about (bewail) 5) to remove (behead) [<OE]
　　bene-， good; well (benevolent) [<Lat]
　　benzo- or benz-， benzene; benzoic acid (benzoate) [<BENZOIN]
　　bi- or bin-， 1) two; twice (bipolar) 2) occurring twice during (biweekly) [Lat]
　　biblio-， book (bibliophile) [<Gr]
　　bio-， life; living organism (biochemistry) [<Gr]
　　blasto-， bud; embryo (blastosphere)
　　brachio-， arm (brachiopod) [<Gr]
　　brachy-， short (brachylogy)
　　brady-， slow (bradycardia)
　　branchio-， gills (branchiopod)
　　broncho- or bronch-， throat(bronchoscope)[<Gr]
　　by-， 1) by (bygone) 2) secondary (byway) [ME]
　　
　　C
　　caco-， bad (cacology) [<Gr]
　　calci- or calc-， calcium (calciferous) [<Lat]
　　calli-， beautiful (calligraphy) [<Gr]
　　carbo- or carb-， carbon (carbohydrate) [Fr]
　　cardio- or cardi-， heart (cardiovascular) [<Gr]
　　carpo-， fruit (carpel; carpophore) [<Gr]
　　cata-， down; against; back (cataclysm) [Gr]
　　ceno- or cen-， 1) new; recent (cenogenesis) 2) common (cenobite) [<Gr]
　　centi-， 1) one hundredth part (1/100) (centiliter) 2) one hundred (centipede) [<Lat]
　　centro- or centr- or centri-， center (centrism) [<Lat]
　　cephalo- or cephal-， head(cephalothorax)[<Gr]
　　cerebro- or cerebr-， brain(cerebrospinal)[<Lat]
　　cero-， wax (ceroplastic) [<Lat]
　　chalco- or chalc-， copper (chalcocite) [<Gr]
　　cheli-， claws (cheliped)
　　chemo- or chemi- or chem-， chemicals; chemical (chemurgy) [<CHEMICAL]
　　chilo-， lip (chiloplasty)
　　chiro-， hand (chiropractic) [<Gr]
　　choreo- or chore-， dance (choreography) [<Gr]
　　chloro- or chlor-， 1) green (chlorophyll) 2) chlorine (chloroform) [<Gr]
　　chromo- or chrom-， color (chromosome) [<Gr]
　　chrono- or chron-， time (chronometer) [<Gr]
　　chryso- or chrys-， gold (chrysolite) [<Gr]
　　circum-， around; about (circumlunar) [Lat]
　　cis-， near to; on near side of (cisapine)
　　clado-， branch (cladogenesis)
　　clino-， slope (clinometer)
　　co-， 1) together; joint; jointly (coeducation) 2)a. partner or associate in an activity (coauthor) b. subordinate or assistant (copilot) 3) to the same extent or degree (coextensive) 4) complement of an angle (cotangent) [<Lat]
　　coel-， cavity (coelenterate) [<Gr]
　　colo- or col-， colon (colostomy) [<COLON]
　　com- or col- or con-， together; jointly (com- mingle) [<Lat]
　　contra-， against; opposite; contrasting (contra- indicate) [<Lat]
　　copro-， excrement (coprophilia)
　　cosmo- or cosm-， universe; world (cosmology) [<Gr]
　　costo-， rib (costotomy)
　　counter-， 1) contrary; opposing (counteract) 2) reciprocation (countersign) [<Lat]
　　cranio- or crani-， skull (craniotomy) [<Gr]
　　cruci-， cross (cruciform) [<Lat]
　　cryo-， cold; freezing(cryogenics) [<Gr]
　　crypto- or crypt-， hidden; secret (cryptogram) [<Gr]
　　cteno-， rake; comb (ctenophore)
　　cupri-， copper (cupriferous)
　　cyano- or cyan-， 1) blue (cyanosis) 2) cyanide (cyanogens) [<Gr]
　　cyclo- or cycl-， circle (cyclometer) [<Gr]
　　cysto- or cyst-， bladder (cystoscope) [<Gr]
　　cyto- or cyt-， cell (cytoplasm) [<Gr]
　　
　　D
　　dactylo- or dactyl-， finger; toe (dactylomegaly) [<Gr]
　　de-， 1) reverse (deactivate) 2) remove (defog) 3) out of (deplane) 4) reduce (degrade) [ME<Lat]
　　deca- or dec- also deka- or dek-， ten (decagram) [<Gr]
　　deci-， one tenth (decigram) [<Lat]
　　demi-， partly; half; lesser (demitasse)
　　demono- or demon-， devil; demon (demonolatry) [<Gr]
　　dendro- or dendri- or dendr-， tree; treelike (dendrite) [<Gr]
　　denti- or dent-， tooth (dentition) [<Lat]
　　dermato- or dermat-， skin (dermatology) [Gr]
　　deutero-， second (deuteropathy) [<Gr]
　　di-， 1) two; twice; double (digraph) 2) containing two atoms, radicals, or groups (dioxide) [Gr]
　　dia-， through; opposed; completely (diagnosis) [<Gr]
　　dicho-， in two parts (dichotomy) [<Gr]
　　dino-， terrifying (dinosaur) [<Gr]
　　diplo-， double (diplopod) [<Gr]
　　dis-， 1) not (dissimilar) 2)a. absence of (disinterest) b. opposite of (disfavor) 3) undo (disarrange) 4)a. deprive of (disfranchise) b. remove (disbar) [<Lat]
　　dodeca-， twelve (dodecahedron) [<Gr]
　　dorsi- or dors-， back of body (dorsiflexion) [<Lat]
　　duo-， two (duologue) [<Lat]
　　dyna-， force; power (dynamotor) [<Gr]
　　dys-， abnormal; impaired; difficult; bad (dysplasia) [Gr]
　　
　　E
　　eco-， ecology (ecosystem) [<Gr]
　　ecto-， outside; external (ectoderm)[Gr]
　　electro- or electr-， 1) electric; electricity (electrochemistry) 2) electron (electrode) [<Gr]
　　en- 1 or em- or in-, 1)a. to put into or onto (encapsulate) b. to go into or onto (entrain) 2) to cover or provide with (enrobe) 3) to cause to be (endear) 4) thoroughly, used often as an intensive (entangle) [<Lat]
　　en- 2 or em-, in; into; within (endemic) [<Gr]
　　enantio-, opposite (enantiomorph)
　　encephalo- or encephal-, brain (encephalitis) [<Gr]
　　endo- or end-, inside; within (endogenous) [<Gr]
　　ennea-, nine (enneahedron)
　　entero- or enter-, intestine (enterology) [<Gr]
　　entomo-, insect (entomophagous)[<Gr]
　　eo-, most primitive; earliest (Eocene) [<Gr]
　　epi- or ep-, 1) on; upon (epiphyte) 2) over; above (epicenter) 3) around; covering (epithelium) [<Gr]
　　equi-, equal; equally (equiangular) [<Lat]
　　ergo-, work (ergonomic) [<Gr]
　　eroto- or erot-, sexual desire; sexual love (erotogenesis) [<Gr]
　　erythro-, red (erythrocyte) [<Gr]
　　ethno-, race; people (ethnology) [<Gr]
　　eu-, good; well; true (euphony) [<Gr]
　　eury-, broad; wide (euryphagous)
　　ex-, 1) outside; out of; away from (exurbia) 2) former (ex-president) [<Lat]
　　exo-, outside; external(exoskeleton)[<Gr]
　　extra-, outside; beyond (extraterrestrial) [<Lat]
　　
　　F
　　febri- or febr-, fever (febrifuge) [<Lat]
　　ferro- or ferr-, iron (ferromagnetic) [<Lat]
　　fibro- or fibr-, fiber, esp. fibrous tissue (fibroma) [<Lat]
　　fissi- or fiss-, split; cleft (fissiped) [<Lat]
　　flori- or flor-, flower (floriculture) [<Lat]
　　fluoro- or fluor-, 1) fluorine (fluorocarbon) 2) fluorescence (fluoroscope) [<FLUORINE]
　　fore-, 1) before; earlier (forebode) 2) in front of; front (foreground) [<OE]
　　Franco-, French (Francophone) [<LLat]
　　fructi- or fruct-, fruit (fructiferous) [<Lat]
　　
　　G
　　galacto- or galact-, milk (galactophorous) [<Gr]
　　gameto- or gamet-, husband; mature productive cell (gametogenesis) [<Gr]
　　gamo-, joined; united (gamopetalous) [<Gr]
　　gastro- or gastr-, stomach (gastritis)[Gr]
　　geo-, 1) earth (geocentric) 2) geography (geopolitics) [<Gr]
　　geronto- or geront-, old man; old age (gerontocracy) [<Gr]
　　glosso- or gloss-, tongue (glossolalia) [<LLat]
　　glotto- or glott-, tongue (glottochronology) [<Gr]
　　glyco- or glyc-, sugar; sweet (glycogen) [<Gr]
　　gono-, sexual; productive (gonophore) [<Gr]
　　grapho- or graph-, writing; to write (graphometer) [<Gr]
　　gymno- or gymn-, naked; nude (gymnogynous) [<Gr]
　　gyneco- or gynec-, woman (gynecology) [<Gr]
　　
　　H
　　halo- or hal-, 1) salt (halite) 2) halogen (halocarbon) [<Gr]
　　haplo- or hapl-, single; simple (haplology) [<Gr]
　　hecto- or hect-, one hundred (hectare) [<Gr]
　　helico- or helic-, spiral (helicospore) [<Gr]
　　helio- or heli-, sun (heliocentric) [<Gr]
　　hemato- or hemat- or hema-, blood (hematology; hemagglutination)[<Gr]
　　hemi-, half (hemisphere) [<Gr]
　　hemo-, blood (hemodialysis) [<Gr]
　　hendeca-, eleven (hendecagon) [<Gr]
　　hepato- or hepat-, liver (heptatoxin) [<Gr]
　　hepta- or hept-, seven (heptagon) [Gr]
　　hetero- or heter-, other; different (heterosexual) [Gr]
　　hexa- or hex-, six (hexagon) [Gr]
　　hiero-, holy; sacred (hierogram) [<Gr]
　　histo- or hist-, tissue (histology) [<Gr]
　　holo- or hol-, whole; entire; entirely (holograph) [<Gr]
　　homeo- similar, like; constant (homeostasis) [<Gr]
　　homo- or hom-, same; like (homophone) [<Gr]
　　homoio-, similar; like (homoiothermal)
　　hyalo-, glass (hyaloplasm)
　　hydro- or hydr-, 1)a. water (hydroelectric) b. fluid (hydrodynamics) 2) hydrogen (hydrocarbon) [<Gr]
　　hyeto-, rain (hyetograph)
　　hygro- or hygr-, wet (hygrometer) [<Gr]
　　hylo-, matter (hylotheism)
　　hyper-, 1) over; above; beyond (hypersonic) 2) excessive; excessively (hypercritical) [<Gr]
　　hypno-, sleep; hypnosis (hypnotherapy) [<Gr]
　　hypo- or hyp-, 1) below; beneath; under (hypodermic) 2) lower than normal (hypothermia) [<Gr]
　　hystero- or hyster-, womb (hysterectomy) [<Gr]
　　
　　I
　　iatro-, medicine (iatrogenic) [<Gr]
　　ichthyo- or ichthy-, fish (ichthyology) [<Gr]
　　icono-, image; likeness (iconology) [<Gr]
　　ideo-, idea (ideogram) [<Gr]
　　idio-, peculiar (idiosyncrasy) [<Gr]
　　ileo- or ile-, intestinal ileum (ileocolitis) [<LLat]
　　ilio- or ili-, ilium portion of hipbone (iliofemoral) [LLat]
　　immuno-, immune; immunity (immunology) [<IMMUNE<Lat]
　　in- 1 or il- or im- or ir-, not (inarticulate) [<Lat]
　　in- 2 or im- or ir-, 1) in; into; within (irradiate) 2) var. of en- [<Lat and OE]
　　infra-, inferior to, below, or beneath (infrasonic) [<Lat]
　　inter-, 1) between; among (international) 2) mutual; reciprocal (interdependent) [<Lat]
　　intra-, within (intracellular) [<Lat]
　　intro-, inward (introvert) [Lat]
　　iodo- or iod-, iodine (iodize) [<Fr]
　　irido- or irid-, rainbow; iris of eye (iridotomy) [<Gr]
　　iso- or is-, 1) equal; uniform (isobar) 2) isomeric (isopropyl) [<Gr]
　　
　　J
　　jejuno- or jejun-, jejunum portion of intestine (jejunostomy) [<Med Lat]
　　juxta-, close; near to; beside (juxtaposition) [<Lat]
　　
　　K
　　karyo-, nut; kernel; cell nucleus (karyolysis) [<Gr]
　　kerato- or kerat-, horn (keratogenous) [Gr]
　　kilo-, one thousand (kilowatt) [<Gr]
　　kineto- or kinet-, movement (kinetoscope) [<Gr]
　　
　　L
　　labio- or labi-, lip (labiovelar) [<Lat]
　　lacto- or lact-, milk (lactate) [<Lat]
　　lamelli-, plate; scale (lamelliform)[<Lat]
　　laparo-, abdominal wall (laparoscope)
　　laryngo- or laryng-, larynx (laryngoscope) [<Gr]
　　lepido-, scale (lepidopteron) [<Gr]
　　lepto- or lept-, thin; fine (leptodactylous) [<Gr]
　　leuko- or leuk- also leuco- or leuc-, 1) white; colorless (leukocyte) 2) leukocyte (leukemia) [<Gr]
　　levo-, left (levorotatory)
　　ligni- or lign-, wood (ligniform) [<Lat]
　　litho- or lith-, stone (lithography) [<Gr]
　　logo-, word; spoken (logomachy) [<Gr]
　　longi-, long; length (longicorn) [<Lat]
　　luni-, moon (lunitidal) [<Lat]
　　lympho- or lymph-, lymph (lymphocyte) [Lat<Gr]
　　lyso- or lys-, a loosening; decomposition; dissolving (lysosome) [<Gr]
　　　　M
　　macro- or macr-, 1) large (macroscopic) 2) long (macrobiotics) 3) inclusive (macroeconomics) [<Gr]
　　magni- or magn-, great; large (magnify) [<Lat]
　　mal- or male-, bad; badly; evil (malformation; malevolent) [<Lat]
　　masto- or mast-, breast (mastopathy) [<Gr]
　　matri-, mother; maternal (matrilineal) [<Lat]
　　mechano- or mechan-, machine (mechanoreceptor) [<Gr]
　　mega-, 1) large (megalith) 2) one million (megaton) [<Gr]
　　megalo-, exaggeratedly large (megalomania) [<Gr]
　　melano- or melan-, black; dark (melanism) [<Gr]
　　mero-, part (merogony) [<Gr]
　　meso- or mes-, middle (mesosphere) [<Gr]
　　meta- or met-, 1) change; transformation (metastasis) 2) situated behind (metacarpus) [<Gr]
　　metro- or metr-, measure (metronome) [<Gr]
　　micro- or micr-, 1)a. small (microcircuit) b. abnormally small (microcephaly) c. requiring or involving microscopy (microsurgery) 2) one millionth (microsecond) [<Gr]
　　mid-, middle (midsummer) [<MID<OE]
　　milli-, one thousandth (millisecond) [<Lat]
　　mini-, small; miniature (minibike) [<MINIATURE, Ital]
　　mis-, 1) bad; badly; wrong; wrongly (misconduct) 2) failure; lack (misfire) [<OE and OFr]
　　miso-, hatred (misogyny) [<Gr]
　　mono- or mon-, one; single; alone (monofilament) [<Gr]
　　morpho- or morph-, 1) form; shape; structure (morphogenesis) 2) morpheme (morphology) [<Gr]
　　muco- or muc-, mucus (mucopurulent) [<Lat]
　　multi-, 1) many; much; multiple (multicolor) 2)a. more than one (multiparous) b. more than two (multilateral) [<Lat]
　　musculo- or muscul-, muscle (musculoskeletal) [<Lat]
　　myco- or myc-, fungus (mycology) [<Gr]
　　myelo- or myel-, 1) spinal cord (myelitis) 2) bone marrow (myeloma) [<Gr]
　　myo-, muscle (myocardium) [<Gr]
　　myria-, ten thousand (myriagram) [Gr]
　　mytho- or myth-, myth (mythology) [<Gr]
　　myxo-, mucus; slime (myxovirus)
　　
　　N
　　narco- or narc-, numbness; stupor; drugged state (narcoanalysis) [<Gr]
　　nano-, one billionth (nanosecond) [<Gr]
　　naso- or nas-, nose (nasolacrimal)[<Lat]
　　necro- or necr-, death; the dead (necrosis) [<Gr]
　　nemato- or nemat- or nema-, thread (nematocyst) [<Gr]
　　nepho-, cloud (nephometer)
　　neo-, new; recent (Neolithic) [<Gr]
　　nephro- or nephr-, kidney (nephritis) [<Gr]
　　neuro- or neur-, nerve; nervous system (neuritis) [<Gr]
　　neutro- or neutr-, neutral (neutrosphere)[<Lat]
　　nitro- or nitr-, 1) nitrate; niter (nitric acid) 2)a. nitrogen (nitrify) b. containing the univalent group NO2 (nitrite) [<Gr]
　　nocti- or noct-, night (noctilucent)[<Lat]
　　nomo-, custom; law (nomology)
　　non-, not (nonfat) [<Lat]
　　noso-, disease (nosogeography)
　　noto-, back of body (notochord)
　　nucleo- or nucle-, 1) nucleus (nucleon) 2) nucleic acid (nucleotide) [<NUCLEUS, Lat]
　　nycto-, night (nyctophobia) [<Gr]
　　
　　O
　　ob-, against (observe) [<Lat]
　　octo- or octa- or oct-, eight (octagon) [<Gr and Lat]
　　oculo- or ocul-, eye (oculomotor) [<Lat]
　　odonto- or odont-, tooth (odontogeny) [Gr]
　　oleo- or ole-, oil (oleomargarine) [<Lat]
　　oligo- or olig-, few (oligarchy) [<Gr]
　　omni-, all (omnidirectional) [<Lat]
　　onerio-, dream (oneriomancy)
　　onto- or ont-, 1) existence; being (ontology) 2) organism (ontogeny) [<Gr]
　　oo-, egg; ovum (oogenesis) [<Gr]
　　ophio-, snake (ophiolatry)
　　ophthalmo- or ophthalm-, eye (ophthalmology) [<Gr]
　　opistho- or opisth-, back;behind(opisthograph)
　　opto- or opt-, visible; eye (optometry) [<Gr]
　　organo- or organ-, instrument; body organ (organoleptic) [<Gr]
　　ornitho- or ornith-, bird (ornithology) [<Gr]
　　oro-, 1) mountain (orography) 2) mouth (oropharynx) [<Lat]
　　ortho- or orth-, 1) straight; correct (orthodontics) 2) perpendicular (orthogonal) [<Gr]
　　ossi-, bone (ossify) [<Lat]
　　osteo- or oste-, bone (osteopathy)[<Gr]
　　oto- or ot-, ear (otolaryngology) [<Gr]
　　out-, in a way that surpasses or exceeds (outdistance) [<OUT<OE]
　　over-, too much; to excess (overweight) [<OE]
　　ovi- or ovo- or ov-, egg; ovum (oviduct) [<Lat]
　　oxy- 1, oxygen, esp. additional oxygen (oxyacetylene) [<OXYGEN, Fr]
　　oxy- 2, sharp; acute (oxymoron) [<Gr]
　　
　　P
　　pachy-, thick (pachyderm) [<Gr]
　　paleo- or pale-, ancient or prehistoric; old (paleography) [<Gr]
　　pan-, all (panchromatic) [Gr]
　　para- or par-, 1) beside; near (parathyroid gland) 2) beyond (paranormal) 3) subsidiary; assistant (paralegal) [<Gr]
　　pari- or par-, equal (paripinnate) [<Lat]
　　partheno- or parthen-, virgin; without fertilization (parthenogenesis) [<Gr]
　　patho- or path-, disease; suffering (pathogen) [<Gr]
　　patri- or patr-, father; paternal (patrilineal) [<Lat and Gr]
　　pedi- or ped-, foot (pedicure) [<Lat]
　　pedo- or ped-, child; children (pediatrics)[<Gr]
　　penta- or pent-, five (pentameter) [<Gr]
　　per-, containing a large or the largest possible proportion of an element (peroxide) [<Lat]
　　peri-, 1) around; about; enclosing (periodontal) 2) near (perigee) [<Gr]
　　petro- or petri- or petr-, 1) rock; stone (petroglyph) 2) petroleum (petrochemical) [<Gr]
　　phago-, eating; consuming (phagocyte) [<Gr]
　　pharmaco-, drug (pharmacology) [<Gr]
　　pharyngo- or pharyng-, pharynx (pharyngoscope) [<Gr]
　　pheno- or phen-, 1) showing; displaying (phenotype) 2) derived from benzene (phenol) [<Gr]
　　philo- or phil-, loving (philosophy)[<Gr]
　　phlebo- or phleb-, vein (phlebotomy) [<Gr]
　　phono- or phon-, sound; voice; speech (phonology) [<Gr]
　　photo- or phot-, 1) light (photosynthesis) 2) photographic (photomontage) 3) photoelectric (photoemission) [<Gr]
　　phreno- or phren-, mind; brain (phrenology) [<Gr]
　　phyco- or phyc-, seaweed; algae (phycology)
　　phyllo- or phyll-, leaf (phyllotaxy)[Gr]
　　phylo- or phyl-, race; tribe; species (phylogeny) [<Gr]
　　physio- or physi- or phys-, 1) nature (physiography) 2) physical (physiotherapy) [<Gr]
　　phyto- or plyt-, plant (plytoplankton) [<Gr]
　　piezo- or piez-, squeeze; pressure (piezoelectricity) [Gr]
　　pinni- or pinn-, feather; web; fin (pinnate; pinniped) [<Lat]
　　pisci- or pisc-, fish (pisciculture)[<Lat]
　　plagio-, oblique (plagiotropic)
　　plano- or plan-, flat (planogamete)[<Lat]
　　plasmo- or plasm-, plasma (plasmin)
　　pleo-, more (pleomorphism)
　　pleuro- or pleur-, rib; side; lateral (pleurisy; pleurocarpous) [<Gr]
　　pluto- or plut-, riches; wealth(plutocracy)[<Gr]
　　pluvio- or pluvi-, rain (pluviometer; pluvial) [<Lat]
　　pneumato- or pneumat- or pneumo- or pneum-, wind; air; breath (pneumatophore; pneumococcus) [<Gr]
　　pod-, foot (podiatry) [<Gr]
　　polio- or poli-, gray; gray matter (poliomyelitis) [<Gr]
　　poly-, 1) more than one; many; much (polyatomic) 2) more than usual; excessive; abnormal (polydipsia) 3) polymer; polymeric (polyethylene) [<Gr]
　　post-, 1) after; later (postdate) 2) behind; posterior to (postnasal) [<Lat]
　　pre-, 1)a. earlier; before (prehistoric) b. preparatory; preliminary (premedical) c. in advance (prepay) 2) anterior; in front of (premolar) [<Lat]
　　preter-, beyond (preternatural) [<Lat]
　　primi- or prim-, first (primipara) [<Lat]
　　pro-, 1) acting in place of (pronoun) 2) supporting; favoring (prorevolutionary) [<Lat]
　　pro-, 1) precursor of (procaine) 2) anterior (prognathous) [<Gr]
　　proprio- or propri-, one’s own (proprioceptive) [<LLat]
　　proto- or prot-, earliest; original (prototype) [<Gr]
　　pseudo- or pseud-, false; deceptive; sham (pseudonym) [<Gr]
　　psycho- or psych-, mind; mental (psychology) [<Gr]
　　pterido-, fern (pteridology)
　　ptero- or pter-, feather; wing (pterodactyl) [<Gr]
　　pyelo-, pelvis (pyelonephritis)
　　pyo-, pus (pyorrhea) [<Gr]
　　pyro- or pyr-, fire; heat (pyromania) [<Gr]
　　
　　Q
　　quadri- or quadru- or quadr-, four (quadrilateral) [<Lat]
　　quasi-, almost; somewhat (quasi-stellar object) [Lat]
　　quinque- or quinqu-, five(quinquennial)[<Lat]
　　
　　R
　　radio- or radi-, 1) radiation; radiant energy (radiometer) 2) radioactive (radiocarbon) 3) radio (radiotelephone) [<RADIATION]
　　re-, 1) again (rebuild) 2) back (react) 3) used as an intensive (refine) [<Lat]
　　recti- or rect-, right; straight (rectilinear)[<Lat]
　　reni- or ren-, kidneys (reniform) [<Lat]
　　retro-, backward; back (retroactive) [<Lat]
　　rhabdo-, rod; wand (rhabdovirus)
　　rheo- or rhe-, flow; current (rheostat) [<Gr]
　　rhino- or rhin-, nose (rhinoplasty) [<Gr]
　　rhizo- or rhiz-, root (rhizogenic) [<Gr]
　　rhodo- or rhod-, rose (rhodolite) [<Gr]
　　
　　S
　　sacchar-, sugar (saccharine) [<Gr]
　　sangui- or sangu-, blood (sanguiferous) [<Lat]
　　sapro- or sapr-, rotten; decomposed (saprogenic) [<Gr]
　　sarco-, flesh (sarcophagus) [<Gr]
　　scato- or scat-, excrement (scatology) [<Gr]
　　schizo- or schiz-, 1) split (schizophrenia) 2) schizophrenia (schizoid) [<Gr]
　　sclero- or scler-, hard (scleroderma) [<Gr]
　　seismo- or seism-, earthquake (seismograph) [<seismos.]
　　seleno- or selen-, moon (selenography) [<Gr]
　　self-, 1) oneself (self-control) 2) automatic; automatically (self-loading) [<OE]
　　semi-, 1) half (semicircle) 2) partial; partially (semiconscious) 3) occurring twice during (semimonthly) [<Lat]
　　septi- or sept-, seven (septilateral) [<Lat]
　　sero-, serum (serology) [<Lat]
　　sesqui-, one and a half (sesquicentennial) [Lat]
　　sex-, six (sexagenarian) [<Lat]
　　shm-, used to form jocular variations as replacement for initial consonant in standard form of word (fancy shmancy)
　　sidero-, iron (siderolite)
　　Sino-, Chinese (Sinology) [<Ar]
　　socio-, 1) society (sociology) 2) social (socioeconomic) [<Lat]
　　somato- or somat-, body (somatotype) [<Gr]
　　somni- or somn-, sleep (somnifacient) [<Lat]
　　spectro-, spectrum (spectrograph) [< SPECTRUM, Lat]
　　spermato- or sperma- or spermo- or spermi-, sperm; seed; germ (spermatozoon; spermophyte) [<Gr]
　　spheno- or sphen-, wedge (sphenography)
　　sphygmo- or sphygm-, pulse(phygmometer)
　　spiro- or spir-, 1) respiration (spirograph) 2) coil; spiral(spirochete)[<Gr]
　　sporo- or spor-, spore (sporophyte)[<Gr]
　　steato- or steat-, fat; tallow (steatopygia)
　　stego- or steg-, roof; cover (stegosaur) [<Gr]
　　stelli- or stell-, star (stelliform) [<Lat]
　　steno- or sten-, narrow; close (stenography)[<Gr]
　　step-, related through remarriage rather than by blood (stepparent) [<OE]
　　stereo-, 1) solid (stereotype) 2) three-dimensional (stereoscope) [<Gr]
　　stomato-, mouth (stomatoplasty) [<Gr]
　　strati- or strat-, stratum (stratification) [<Lat]
　　strepto- or strept-, twisted (streptococcus) [<Gr]
　　stylo-, column; pillar (stylolite)
　　sub- or sus-, 1) below; beneath (subsoil) 2)a. subordinate; secondary (subhead) b. subdivision (subatomic) 3) less than; short of (subnormal) [<Lat]
　　super-, 1) above; over; upon (superimpose) 2) superior in size, quality, number, or degree (superfine) 3) exceeding a norm (supersaturate) [<Lat]
　　supra-, beyond; above (supranational) [Lat]
　　sur-, 1) over; above; upon (surpass) 2) additional (surtax) [<Lat]
　　syl- or sym- or syn-, together; with (syllepsis; symmetry; synoptic) [<Gr]
　　　　T
　　tacho- or tach-, speed (tachometer) [<Gr]
　　tachy-, rapid (tachycardia)
　　tauto- or taut-, same (tautology) [<Gr]
　　taxo- or taxi- or tax-, order; arrangement (taxonomy) [<Gr]
　　techno- or techn-, skill; technique (technology) [<Gr]
　　tele- or tel-, 1) distance; distant (telepathy) 2)a. telegraph; telephone (telegram) b. television (telecast) [<Gr]
　　teleo-, final (teleology)
　　telo-, end (telophase)
　　teno-, tendon (tenotomy) [<Gr]
　　tera- trillion (terabyte)
　　terato- or terat-, monster (teratology) [<Gr]
　　terra- or terri- or terr-, earth; land (terricolous) [<Lat]
　　tetra- or tetr-, four (tetrahedron) [Gr]
　　thanato- or thanat-, death (thanatology)
　　thaumato- or thaumat-, miracle; wonder (thaumatology)
　　theo- or the-, god (theocracy) [<Gr]
　　thermo- or therm-, heat(thermodynamic)[<Gr]
　　thrombo- or thromb-, clot; blood clot; coagulation (thrombocyte) [<Gr]
　　toco-, birth; child (tocopherol)
　　tomo-, section; cut (tomography)[<Gr]
　　tono-, stretching; tension (tonometer)
　　topo- or top-, place; local (topography) [<Gr]
　　toti- or tot-, whole; entire (totipalmation)[<Lat]
　　toxi- or toxo- or tox- or toxico- or toxic-, poison (toxemia; toxoplasmosis; toxicology) [<Lat]
　　tracheo- or trache-, trachea (tracheotomy) [<Gr]
　　trachy-, rough (trachycarpous) [<Gr]
　　trans-, 1) across; beyond (transatlantic) 2) change;transfer(transliterate)[<Lat]
　　tri-, 1) three (trisect) 2)a. occurring at intervals of three (trimonthly) b. occurring three times during (triweekly) [<Lat and Gr]
　　tribo- or trib-, friction (tribolumminescence)
　　tricho- or trich-, hair (trichocyst)
　　tropho- or troph-, nourishment (trophosome)
　　tropo- or trop-, a turning; turn; change; response (troposphere) [<Gr]
　　
　　U
　　ultra-, 1) beyond (ultraviolet) 2) extreme; excessive (ultraconservative) [<Lat]
　　un- 1, not (unhappy) [<OE]
　　un- 2, 1) to reverse an action (unbind) 2) to deprive of (unfrock) 3) used as an intensive (unloose) [<OE]
　　under-, 1) beneath; below (underground) 2) inferior; subordinate (undersecretary) 3) less than normal (undersized) [<OE]
　　uni-, one (unicycle) [<Lat]
　　up-, 1) up; upward (uphill) 2) upper (upland) [<OE]
　　urino- or urin-, urine (urinalysis) [<Lat]
　　uro- or ur-, 1) urine (uric) 2) urinary tract (urology) 3) urea (polyurethane) [<Gr]
　　
　　V
　　vaso- or vas-, 1) blood vessel (vasoconstriction) 2) vas deferens (vasectomy) [<Lat]
　　veno- or ven-, vein (venostasis) [<Lat]
　　ventro- or ventr-, belly; abdomen (ventrodorsal; ventral) [<Lat]
　　vermi- or verm-, worm (vermiform) [<Lat]
　　vini- or vin-, wine (viniculture) [<Lat]
　　vitri- or vitr-, glass (vitrify) [<Lat]
　　vivi- or viv-, live; alive; living (vivisection) [<Lat]
　　
　　X
　　xantho- or xanth-, yellow (xanthophylls)
　　xeno- or xen-, strange; foreign (xenophobia) [<Gr]
　　xero- or xer-, dry (xerography) [<Gr]
　　xylo- or xyl-, wood (xylophone) [<Gr]
　　
　　Z
　　zoo- or zo-, 1) animal (zoology) 2) motile (zoospore) [<Gr]
　　zygo- or zyg-, to yoke; yoke; double (zygomorphic; zygote) [<Gr]