黄楊[tsuge] Japanese box tree (Buxus microphylla var. japonica)
垂楊[suiyou] weeping willow
妻楊枝[tsumayouji] toothpick
楊柳[yanagi] willow (any tree of genus Salix)
楊子[youji] toothpick

犬黄楊[inutsuge] Japanese holly (Ilex crenata)
白楊[hakuyou] Japanese aspen (Populus tremula var. sieboldii)
白楊[doronoki] Japanese poplar (Populus maximowiczii)
高楊枝[takayouji] leisurely, post-meal use of a toothpick
楊柳[kawayanagi] riverside willow (esp. rosegold pussy willow, Salix gracilistyla)

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