Roots
suffixes
prefixes
combining words
combining words
100

gonad

gonads

100

-spasm

involuntary muscle contraction

100
semi-

half

100

hypodermic

Pertaining to below the skin

100

ophthalmologis

One who studies or practices on the eyes

200

adren

adrenals

200

-scope

instrument used for visual examination

200

sub-

under or below

200

 hysterectomy

Surgical removal of the uterus

200

 lymphocyte

A cell found in lymph

300

gastr

stomach

300

-ologist

someone who studies and practices

300

super- 

over or above

300

hematology

study of blood

300

tachycardia

when the heart beats too fast

400

hepat

liver

400

-orrhea

flow, excessive discharge

400

peri- 

before

400

colostomy

Creation of an artificial opening in the large intestine

400

nasopharyngitis

Inflammation of the nose and pharynx (throat)

500

nephr, ren

kidneys
500

-pathy

disease

500

infra-

beneath;below

500

cardiogenic

Produced in or caused by the heart

500

 otoscope

An instrument used for visual inspection of the ears