tree vs wood

tree and wood both are nouns.

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

tree (noun)	wood (noun)
a tall perennial woody plant having a main trunk and branches forming a distinct elevated crown; includes both gymnosperms and angiosperms	any wind instrument other than the brass instruments
a figure that branches from a single root	a golf club with a long shaft used to hit long shots; originally made with a wooden head
	the trees and other plants in a large densely wooded area
	the hard fibrous lignified substance under the bark of trees

tree (verb)	wood (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