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