tree vs forest

tree and forest both are nouns.

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

tree (noun)	forest (noun)
a tall perennial woody plant having a main trunk and branches forming a distinct elevated crown; includes both gymnosperms and angiosperms	the trees and other plants in a large densely wooded area
a figure that branches from a single root	land that is covered with trees and shrubs

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