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

諱む[imu] to avoid
忌諱[kiki] displeasure
後の諱[nochinoimina] posthumous name

偏諱[henki] one kanji in the name of a nobleperson (with a multiple-kanji name)
偏諱を賜う[henkiwotamau] (of a nobleperson) to bestow one of the kanji in one's name upon someone (e.g. a meritorious retainer, a boy coming of age, etc.)
遠諱[onki] semicentennial memorial service