-ma ----> -mata

-sis -------> -ses

plural

-on ------> -a

plural

-itis ------> -itides

plural

-nx -----> -nges

plural

-x ------> -ces

plural

ALL-

other, different

ex: allocheiria

ANKYL-

bent, stiff, adhesion of parts

ex:ankylocheilia

CYCL-

circle, wheel, ciliary body of th eye

ex: cyclotropia

ER-, EROT-

love

ex: autoerotism

GENY-/GENI-

jaw, cheek/chin

ex: genyplasty

HOL-

whole, entire

ex: catholic

HOM-, HOME-

same, similar

ex: homeozoic

HYPN-

sleep

ex: hypnotic

IDE-

idea, mental image

ex: ideology

LEUK-, LEUC-

white

ex: leukemia

ONT-

being, individual

ex: meront

PHYL-

race, class

ex: phylum

PYEL-

pelvis, kidney

ex: pyeloscopy

PYG-

buttocks

ex: pygidium

STEAR-, STEAT-

fat, tallow

ex: asteatosis

STREPT-, STROPH-

turned, twisted

ex: epistrophe

THALL-

young shoot

ex: thallophyte

THYM-

mind, emotions

ex: hypothymia

TRIB-, TRIP-

to rub, crush

ex: osteotribe

ZYG-

yoke

ex: zygote

HEMI-

half

ex: hemisphere

MON-

single, one

ex: monogamy

PROT-

first, original, primitive

ex: protoplast

DI-

twice, double

ex: dilemma

DICH-

in two

ex: dichotomy

DEUT-, DEUTER-

second

ex: deuterium

TRI-

three

ex: tripod

TETR(A)-

four

ex: tetrarch

PENT(A)-

five

HEX(A)-

six

HEPT(A)-

seven

OCT(A)-

eight

ENNE(A)-

nine

DEC(A)-

ten

HECT-

hundred

KILO-

one thousand