directional terms
numerical values
five senses
surgical procedures
pathogens
100

ab-

away from

100

half 

demi-, hemi-, semi-
100

hearing

acous/o ,acoust/o, audi/o ,audit/o , -cusis

100

-ectomy

surgical removal

100

acar/o

mites

200

ad-

toward, near

200

one

mono-,uni-

200

smell

olfact/o , -osmia

200

-plasty

surgical correction/repair 

200

fung/i

fungus,mushroom

300

apo-

away, separation

300

eight

octa-,octi-

300

touch

haph/e, pselaphes/o, tact/o, thigm/o

300

-tomy

surgical incision

300

ixod/i

ticks

400

ana-

up,backward,against

400

billion

giga-

400

vision

-opia, -opsia, opt/o 
400

-tripsy

to crush,break

400

arachn/o

spider

500

cata-

down, under

500

seven

hepta-,sept-,septi-

500

taste

-geusia, 

500

-pexy

fixation 

500

parasit/o

parasite