一劃[ikkaku] one plot (of land)
劃する[kakusuru] to draw (a line)
劃期[kakki] ground-breaking
劃策[kakusaku] plan
劃数[kakusuu] stroke count

劃然[kakuzen] distinct
劃時代的[kakujidaiteki] epoch-making
企劃[kikaku] planning
劃一[kakuitsu] uniformity

緩衝[kanshou] buffered
緩衝器[kanshouki] shock absorber
緩衝地帯[kanshouchitai] buffer zone
刺衝[shishou] stabbing
衝撃[shougeki] shock

衝撃波[shougekiha] shock wave
衝動[shoudou] impulse
衝動行為[shoudoukoui] shock action
衝動買い[shoudougai] impulsive buying
衝突[shoutotsu] collision