狡い[zurui] sly
狡知[kouchi] craft
狡猾[koukatsu] sly
狡休み[zuruyasumi] playing hookey
狡賢い[zurugashikoi] devious

狡ける[zurukeru] to shirk one's duties
狡智[kouchi] cunning
狡猾老獪[koukatsuroukai] sly and crafty
狡兎三窟[koutosankutsu] very shrewd in preparing a means of escape
怜悧狡猾[reirikoukatsu] cunning

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