Prefixes and Suffixes Study Set for English Terms

a-, an

without

ab-

away from

ad-

toward

ambi-

both

ante-

before

anti-

against, opposite

auto

self

bi-

two, twice, double

brady-

slow

circum

around

contra-

against

de-

down

dys-

painful, abnormal, difficult, bad

endo-

within, inside

epi-

above, on

eu-

good, normal

ex-, extra-, exo-

outside of

hemi-

half

hyper-

above, excessive, increased

hypo-

below, decreased, insufficient

infra-

beneath

inter-

between, among

intra-

within, during

macro-

large

mal-

bad

mega-

really large

meso-

middle

meta-

beyond, over

micro-

small

mono-

one

multi-

many

neo-

new

nulli-

none

peri-

around

poly-

many, much

post-

after, behind

pre-, pro-

before, in front of

presby-

older age

primi-

first

pseudo-

false

quadri-

four

retro-

behind, in back of

sten-

narrowed

sub-

under

super-, supra

above, excess

sym-, syn-

together, with

tachy-

fast

trans-

across

tri-

three

ultra-

beyond, excess

uni-

one

-age

related to

-cidal, -cide

pertaining to killing

-form

shape

-fuge

driving away

-iatry, -iatrist

healing by a provider, healer

-ical

pertaining to

-ion

process

-logy, -logist

study of, one who studies

-ole

little, small

-opia

vision

-phylaxis

protection, prevention

-pnea

breathing

-therapy

treatment

-uria

urine

-centesis

surgical puncture

-cise

cut, remove

-clasis

to break down

-desis

binding, stabilization

-ectomy

excision, removal

-gram

to record

-graph

instrument for recording

-graphy

process of recording

-ion

process

-lepsy

seizure, convulsion

-lysis

separation; destruction; loosening

-meter

device for measuring

-metry

process of measuring

-pexy

fixation, put in place

-plasty

surgical repair, reformation

-scopy

visual examination

-spasm

involuntary contraction, twitching

-stasis

stopping, controlling

-stomy

new opening

-tomy

incision

-tripsy

crushing

-algia

pain

-asthenia

weakness

-cele

hernia, swelling

-dynia

pain

-ectasis

dilation, expansion

-emesis

vomiting

-emia

blood condition

-gen

producing

-ia, -ism

condition

-iasis

presence of; formation of

-itis

inflammation

-malacia

weakening of, softening of

-mania

obsessive preoccupation

-megaly

enlargement