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