tree vs arborical

tree is a noun but arborical is not a noun.

Word	Noun	Adjective	Verb	Adverb
tree	Yes	No	Yes	No
arborical	No	Yes	No	No

tree (noun)	arborical (noun)
a tall perennial woody plant having a main trunk and branches forming a distinct elevated crown; includes both gymnosperms and angiosperms
a figure that branches from a single root

tree (adjective)	arborical (adjective)
	of or relating to or formed by trees

tree (verb)	arborical (verb)
stretch (a shoe) on a shoetree
chase an animal up a tree
plant with trees
force a person or an animal into a position from which he cannot escape