瑕疵[kashi] flaw
玉に瑕[tamanikizu] flaw in the crystal
疵瑕[shika] blemish

瑕疵担保責任[kashitanposekinin] warranty against defects
瑕釁[kakin] scratch
瑕疵担保[kashitanpo] warranty against defects

向こう疵[mukoukizu] frontal wound
疵口[kizuguchi] (opening of) a wound
疵つける[kizutsukeru] to wound
疵物[kizumono] defective article
疵薬[kizugusuri] salve

刀疵[katanakizu] sword wound
瑕疵[kashi] flaw
疵痕[kizuato] scar
疵付く[kizutsuku] to be wounded

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