執拗[shitsuyou] persistent
拗くれる[nejikureru] to curve
拗ける[nejikeru] to curve
拗ねる[suneru] to be peevish
拗れる[kojireru] to get complicated

拗音[youon] contracted sound
拗れる[nejireru] to twist
拗じる[nejiru] to screw
拗ね者[sunemono] perverse individual
拗らせる[kojiraseru] to aggravate

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