Warm
Prefix: rewarm prewarm swarm
Suffix: warmer warming warmed warmness warmup
Watch
Prefix: wristwatch Stopwatch overwatch
Suffix: watching watched watchman watchfulness watchfully
Option
Prefix: adoption preadoption
Suffix: optionally optioned optionality
Collect
Prefix: recollect
Suffix: collection collected collectible collective collectively
Adventure
Prefix: preadventure misadventure
Suffix: adventurous adventured
Intelligent
Prefix: unintelligent superintelligent nonintelligent
Suffix: intelligently
Introduce
Prefix: reintroduce
Suffix: introduced introduces
Pleasure
Prefix: displeasure unpleasure
Suffix: pleasures pleasured
Danger
Prefix: endanger
Suffix: dangerousness dangerous dangerously
