Arboricole :: Arboricole (a.) Tree-inhabiting; -- said of certain birds.
Arboriculture :: Arboriculture (n.) The cultivation of trees and shrubs, chiefly for timber or for ornamental purposes..
Arborist :: Arborist (n.) One who makes trees his study, or who is versed in the knowledge of trees..
Arborization :: Arborization (n.) The appearance or figure of a tree or plant, as in minerals or fossils; a dendrite..