Greek Roots

Meaning Examples

-astro-,

-aster-

star astronaut, asteroid

-cosmo world; order Cosmopolitan, cosmography (study of the universe)

-eu- good; well eulogy, euphonic (good sound)

-gno-,

-kno-

know; skill Gnostic (having knowledge), knowledge

-hypno- sleep Hypnosis, hypnotic

Greek Roots

Meaning Examples

-mis- hatred of Misanthrope (hate humankind), misogamy (hate marriage)

-ortho- straight Orthopedic, orthodontist

-pseudo- false Pseudonym, pseudointellect

-the-,

-them-,

-thet-

place; put

-theo- god Theology, theocracy

Greek Prefixes

Meaning Examples

-anti- against antibody, antisocial

dia- through; across diagram, diameter

hypo- under; below hypodermic, hypoglycemia (subnormal amount of blood sugar)

para- beside; beyond paralegal, parallel

peri- around periscope, perimeter

Greek suffixes Meaning Examples

-ess female princess, lioness, actress

-ic having; showing paraplegic, bulimic,

-ize resemble; cause to be

Americanize, ostracize, idolize

-meter measure thermometer, barometer

-oid like; resembling factoid, asteroid