滝壷[takitsubo] basin under a waterfall
墨壷[sumitsubo] ink bottle
火消壷[hikeshitsubo] charcoal extinguisher
骨壷[kotsutsubo] funerary urn
油壷[aburatsubo] oilcan

蛸壷[takotsubo] octopus pot
痰壷[tantsubo] spittoon
思う壷[omoutsubo] one's wishes
思う壷にはまる[omoutsubonihamaru] to turn out just as one wished

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