Greek

Greek Prefix(es)	Definition(s)	Examples of Prefix(es)
a, an	not, without	amoral, anarthria
amphi	about, around, both	amphibian, amphibolite
ana	up, against	anapest, anasarca
anti	against, opposite	antivivisection, antipodes
cata	down	catacomb, catapult
dia, di	across, through	dialysis, dialect
epi	upon, over	episode, epistle
exo	outside, outer part	exoteric, exostosis
eu	well	euphemism, euthanasia, eugenics
heteros	other	heterodox, heterogeneous
homos	same	homonym, homoiothermal
hyper	over, extremely	hypergamy, hyperpnea
hypo	under, in smaller measure	hypocrite, hypocaust
meta	after, over, between	metaplasia, metathesis
para	beside	parable, paradox
peri	around, about	perimeter, periphery
poly	many, much	polygamy, polyhedron, polyglot
pro	before	procrastinate, projectile
syn, sym, syl, sys	together, with, by means of	syllable, synapsis, syncretism

Greek Suffix	Definition	Examples of Suffix
osis	state, condition, action	neurosis, psychosis

Greek Root(s)	Definition(s)	Example(s) of Root(s)
acro	tip, top, apex, pointed	acropolis, acrophobia
agogos, agein	to lead, to direct, to incite	demagogue, pedagogic
agon, agonia	struggle, contest	antagonist, agony
agro, agros	field, earth, soil	agronomy, agrostology
algia	pain	neuralgia, diaphragmalgia
allo, allos	other, departure from normal	allopath, allogamy
andros, aner, anthropos	man, stamen	anthropomorphic, androsphinx
anemo, anemos	wind	anemometer, anemophilous
archaeo, archaios	ancient, old, original	archaeology, archeozoic
arch, archos	chief, first, rule	monarch, archipelago, archangel
aristo, aristos	best	aristocracy, aristocrat
astron, aster, astro	star	aster, astral
auto, autos	self	autoharp, autoimmune, autochthon
baro, baros	pressure, weight	barograph, barometer
barys	heavy	barium, hyperbaric
biblos, biblion	book, of books	bibliopole, bibliolatry
bios	life, living things	biocenosis, bionics, biopsy
caco	bad, poor, evil	cacophony, cacoethes
chiro, cheir	hand	chiromancy, chiropter
chroma, chromato	color	chromomere, chromoprotein
chrono, chronos	time	chronograph, chronicle
cosmos	world, order	cosmography, cosmic
cracy, crat	type of government	theocracy, bureaucrat
crypto	hide	cryptogam, cryptogenic
cyclos	circular, wheel	cyclothymia, cyclorama
deca	ten	Decapolis, decaliter
demos	people	demographics, endemic, democrat
dendron	tree	dendrochronology, dendroid
derma	skin	hypodermic, dermoid
deutero, deuter	second	Deuteronomy, deuterocanonical
didonai, dosis	give	dose, dosage
dis, di	twice, doubly	dichotomy, dipody
doxo	opinion, praise	heterodox, doxology
dynamis	power	dynamo, dyne
esthesia	the ability to feel sensation	anesthesia, aesthetics
ethnos	race, nation	ethnomusicology, ethnocentrism
gamos	marriage	monogamy, polygamy
gastro	stomach	gastritis, gastrolith, gastric
ge, geo	earth	geodesic, geometry
gen, geno	race, kind, descent	Genesis
glot, glossa	tongue, language	glossary, monoglot, glossalalia
glyphe	carving	petroglyph, glyphography
gon	figure having angles	pentagon, polygon
gonos	to produce	cosmogony, theogony
gramma, gram	something written or drawn	telegram, electrocardiogram
grapho	write	lithography, graphology
gyn, gyneco	woman, women	misogyny, gyniatrics, gynarchy
hemo, hema	blood	hemoglobin, hematoma
hedron, hedral, hedra	side, base, seat	hexahedral, polyhedron
helios	sun, bright	heliotropic, helium, heliograph
hemi	half	hemisphere, hemicranial
hepta	seven	heptahedron, heptameter
hexa	six	hexameter, hexahedron
hiero	sacred, holy	hieroglyphic, hierophant
hydor, hydro	water	hydroponics, hydrology
hypno	sleep	autohypnosis, hypnotoxin
icono	image, likeness, figure	iconology, iconostasis
ideo	idea	ideogram, ideophone
isos	equal, alike, identical	isocracy, isometric
kilo, chilioi	thousand	chiliarch, kilocalorie, kilovolt
klastes	breaker, broken	iconoclast, clastic
latreia	service, worship	idolatry, demonolatry
lithos, lite	stone	chrysolite, lithotomy
logos	word, study	logic, logomachy
lysis	to loosen	analysis, electrolysis
macros, macro	enlarged, elongated	macrocosm, macropterous
mania	madness	pyromania, kleptomania
mega	large, powerful	megapod, megalith
megalo	large, great, enlarged	megalocardia, megalomania
metron	measure	thermometer, metronome
micros, micro	small	microcosm, microphone
miso, misein	to hate	misogyny, misology, misoneism
monos	one, alone	monocle, monosyllable
morphe	form	metamorphic, morphallaxis
mytho	myth	mythological, mythos
naus, nautes	ship, sailor	naumachia, astronaut, navigation
necro	physical death, corpse	necrology, necrophagia
neos	new, young	Neoplatonism, neoprene
neuron, neuro	nerve	neuritis, neuropteran
nomos	law, science, management	nomography, astronomer
octo	eight	octagonal, octogenarian
oligo	few, scant, small	oligarchy, oliguria
onoma, onym	name	allonym, homonym
opsis, optic, ophthalmo	view, sight	optical, amblyopia
ornitho	bird, birds	ornithopter, ornithosis
oro	mountain	orogenic, orology
orthos	right, correct	orthography, orthogenesis
osteon	bone	osteoporosis, ossify
pais, paidos	child	pediatric, pedobaptism
paleo	ancient, early, prehistoric	paleontology, paleolithic
pan	all, every	pandemonium, Pandora
pater, patri	father	patronymic, patrician
pathos, path	suffering, disease	empathy, pathogen
ped, pedo	small child	pediatrics, pedant, pedobaptism
penta	five	Pentateuch, pentathlon
petros	rock, stone	petrography, petrol
phago, phage	eating, destroying	anthropophagite, phagocyte
phainein	to show, be visible	emphasis, fantasy, fancy
philos	loving	philharmonic, philately
phobia, phobos	fear, dread	photophobia, xenophobia
phone	sound, speak	phonograph, phoneme
phos, photo	light	photobiotic, phosgene
physis, physio	nature	physiologic, physiocrat
plasma	form	plasmodium, deutoplasm
pneuma	air, breath, spirit	pneumothorax, pneumococcus
podos, pous	foot	octopus, chiropodist, podiatry
polis	city	politician, Neopolitan, police
polys	many	polynomial, polymer
protos	first	proton, protozoa
pseudes, pseudo	false, fake	pseudoscience, pseudosalt
psycho	soul, mind, breath	psychometry, psychosis
ptero	feather, wing	pterosaur, pteropod
pyr	fire	pyromaniac, pyrography, pyretic, pyrogen
rheo, rrhea	flow, current	logorrhea, rheophile
schizo	cleave, cut	schizogenesis, schizogony
scopos, skopein	spy, watcher, to see	telescope, otoscope
seismo	earthquake	seismology, seismic
sophia	wisdom	sophomoric, sophist
sphero	sphere, ball, layer of gas	ionosphere, atmosphere, spheroid
static	causing to stand	hydrostatics, electrostatic
taphos	tomb, bury	epitaph
techno	art	tectonic, technocrat
tele	far, far off	telemetry, telencephalon
temno, tomos	cut, that which is cut off, out	appendectomy, lobotomy, tome
tetra	four	tetrarch, Tetragrammaton
thanato	death	thanatopis, thanatology, euthanasia
theos	god	monotheism, theophany
therapy	to cure, nurse	therapeutics, heliotherapy
thermo	heat	thermophile, thermotaxis
thesis, tithenai	position	synthesis, thesis
topo	place, local	toponym, topographic, topic
typos	type, figure, model	typography, typify
zoon	animal	zoogenic, zoonosis