pro (in favor of, move forward)
progress, professional, promise, protect
auto (self)
automatic, autonomous, autobiography
dys (abnormal)
dysfunctional, dysplasia, dysmorphia
bi (two)
bicycle, binocular, bilingual, bicolor
circum (round)
circumstance, circumference, circuit
inter (connected)
intersection, interject, internet, international
pre (before)
predict, prepare, preview
semi (half or partly)
semiannual, semifinal, semicircle
post (after)
postpone, post-game, post-season
anti (against)
antibacterial, antisocial, antibiotic
co (with)
co-parent, cooperate, coordinate
re (again)
repeat, rewind, retry
dis (not)
distant, distract, disappear