greek combining forms

a, an - amoral, anarchy

not, without

aero - aerometer

air, atmosphere, aviation

anti - antibullying

against

arch - matriarch

ruler

archeo - archaeology

primitive, ancient

astro - astronaut

star-shaped, referring to outer space

aud & audi - audio, audible

referring to hearing

auto - autograph

self

bi - bifocal

two

bio - biography

life

chrom - chromogen

color, stained

chron - chronicle

time

cide - fungicide

substance that kills

cine - cinematography

movement (picture)

cracy - democracy

rule

crat - democrat

a person who rules

cycle & cyclo - bicycle, cyclometer

recurring round of events; circle

cyte & cycto - lymphocyte - cytotoxic

referring to a cell

dem - democracy

people

derma - dermatologist

skin

di - dichotomy

two

dys - dysfunction

difficulty

ectomy - appendectomy

removal of a part by surgery

endo - endoderm

within, inside, inner

epi - epicenter

on, upon, above

gen, geno, geny - generation, genocide, progeny

origin, birth, race

geo - geography

earth

gon - nonagon

angle

gram & graph - cardiogram, pictograph

writte, drawn

hema, hemo - hematoma. hemophilia

referring to blood

hemi - hemisphere

half

hydro - hydroelectric

water combined with oxygen

hype & hyper - hypersensitive, hyperacidity

over, too much

hypo - hypoglycemia

under, below, beneath

in - incomplete

without, not

ite - suburbanite

native, inhabitant

itis - hepatitis

inflammation of

kine - kinescope

movement (body)

lex & lexi - lexis, lexicon

word

lith & litho - neolithic, lithosphere

stone or rock

macro - macroeconomics

large, long

mania - bibliomania

madness or unreasonable desire of

mech - mechanism

machine

meg & mega - megapixel, megabyte

large, powerful

met & meta - metabolize, metamorphosis

beyond or higher, changed or transformed

meter - centimeter

unit of measure, measuring device

metro - metropolitan city

mother city

micro - microscope

very small

mono - monolingual

one

morph - morphology

shape, body, form

neo - neonatal

new or recent

ologist - linguist

a person who studies

ology - psychology

the study of

opt - optometer

eye

ortho - orthography

straight, right; to correct

pan - pandemic

all

path - empathy

feeling, suffer

ped - pedestrian

foot (e)

penta - pentagon

five

phil - philosophy

love

phobia - claustrophobia

an illogical, persistent fear of something

phon & phono - phonetics, phonology

sound

photo - photosynthesis

light

phyll - chlorophyll

leaf

phys - physiology

phys

phyte & phyto - acrophyte, phytochemical

referring to animals

pod - tripod

foot

polis - acropolis

city

poly - polyglot

many, more than one

proto - protocol

first or earliest

psych - psychology

mind

saur - stegosaurus

lizard

scope - periscope

an instrument for viewing

semi - semicircle

half (s)

soph - sophist

wise

sphere - hemisphere

round

sub - subordinate

under, below

tech & tehcni - technocrat, pyrotechnic

skill, art

tele - telephone

distant

tetra - tetrahedron

four

theo - theocentric

god

thermos - thermometer

heat

tox - toxicology

poison

tri - trigonometry

three

vore - herbivore

to devour, eat

zo & zoo - zoophobia, zoology

referring to animals