PREFIX
circum - around
con - with, together
inter - between
re - back, again

ROOT
juven - young
ven/vent - come

SUFFIX
-ate - to make, to act
-ile - of, related to
-tion - state, quality, act

WORDS AND DEFINITIONS
juvenile - youthful or childish; immature
rejuvenate - to bring back to youthful strength or appearance
circumvent - to go around; to bypass restrictions
convention - a gathering or assembly of people with a common interest
intervene - to come between; to intercede