Prefix/Suffix

a-, an-

without

ab-

away from

ad-

toward

ambi-

both

anti-

against

auto-

Self

bi-

Two

brady-

slow

circum-

around

de-

Down

dys-

Painful, abnormal, difficult, bad

Endo-

within

epi-

above

eu-

good, normal

ex-, extra-, exo-

outside of

he i-

Half

hyper-

excessive

hypo

Below

Infra-

beneath

inter-

between

Intra

within

Levo-

left

macro-

Large

Mal-

bad

mega-

large

Meso-

middle

meta-

Over, beyond

micro-

small

mono-

one

multi

many

Nulli-

none

peri-

around

Poly-

many

Post-

after, behind

Pre, pro-

before, in front of

Presby-

old age

Primi-

first

Pseudo

False

Quadri-

four

Retro-

behind, backward

sten-

narrow

sub-

under

super-, Supra-

above

sym-, syn-

together

Tachy-

Fast

Trans-

Across

Tri-

three

Ultra-

beyond

Uni-

one

-age

related to

-cidal, -cide

killing

-form

shape

-fuge

to drive away

-iatry, -iatrist

Healing by a provider

-ical

pertaining to

-ion

process

-logy

study of

-ole

little, small

-opia

vision

-phylaxis

protection, prevention

-pnea

breathing

-therapy

treatment

-uria

urine

-centesis

surgical puncture to remove fluid

-cise

to cut

-clasis

to break

-desis

binding

-ectomy

surgical removal

-gram

Record

-graph

instrument for recording

-graphy

process of recording

-lepsy

seizure, convulsion

-lysis

destruction

-meter

device for measuring

-metry

process of measuring

Pexy

fixation

-plasty

surgical repair

-scopy

visual examination

-spasm

involuntary contraction

-stasis

stopping

-stomy

new opening

-tomy

to cut

-tripsy

crushing

-algia

Pain

-asthenia

weakness

-cele

hernia

-dynia

pain

-ectasis

expansion

-emesis

vomiting

-emia

blood condition

-gen

origin

-ia, -ism

condition

-iasis

formation of

-itis

inflammation

-malacia

softening

-mania

obsessive preoccupation

-megaly

enlargement

-oid

resembling

-pathy

disease

-penia

deficiency

-phagia

eating, swallowing

-phasia

speechp

-ptosis

drooping

-plegia

paralysis

-rrhage

bursting forth

-rrhea

flow, discharge

-sclerosis

hardening

-trophy

development