graph-

autograph, graphic

greg-

congregate, segregate, gregarious

heal

health, heal, heathful

ject-

project, interject, reject

junct-, join-, jug

conjunction, joint, juggle

jur-, jus-, jud-

judge, jury, justify

log-, logy

dialog, monologue

luc-, lumen-

Lumens, lucid, luminous

mal-, male-

dismal, malice,malevolent

man-, manu-

manual, manicure, manacle

miss-,mit-

transmit, mission, submit

mort-

mortuary, mortal, morbid

mov-

movable, movie, mover

naut-, naus-, nav-

astronaut, Navy, navigate

nov-,

novel, nova, novelty

nym-,

synonym, antonym, pseudonym

patho-

apathy, sympathy, empathy

ped-

biped, centipede, pedal

phon-, phono-, phone

microphone, cacophony, phonics

plac-

placate, placid, complacent

pos-

compose, position, expose

port-

portable, important

psych-

psychology, psychic, psyche

pug-

pugilist, repugnant, pugnacious