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)

果樹[kaju] fruit tree
果樹園[kajuen] orchard
花樹[kaju] flowering tree
街路樹[gairoju] roadside trees
鴨脚樹[ichou] ginkgo (Ginkgo biloba)

系統樹[keitouju] genealogical tree
月桂樹[gekkeiju] bay laurel (Laurus nobilis)
合成樹脂[gouseijushi] plastics
漆樹[urushi] lacquer
樹脂[jushi] resin

胡麻化し[gomakashi] hanky-panky
荏胡麻[egoma] egoma (type of perilla)
荏胡麻油[egomayu] egoma seed oil
胡獱[todo] Steller's sea lion
胡国[kokoku] North China barbarian nations

胡床[agura] sitting cross-legged (i.e. Indian style)
胡床をかく[agurawokaku] to sit cross-legged
胡散臭い[usankusai] suspicious looking
胡桃[kurumi] walnut
胡麻[goma] sesame (seeds)