silver tree vs tree

silver tree and tree both are nouns.

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

As nouns, tree is a hypernym of silver tree; that is, tree is a word with a broader meaning than silver tree:

silver tree: Australian timber tree
tree: a tall perennial woody plant having a main trunk and branches forming a distinct elevated crown; includes both gymnosperms and angiosperms

As nouns, tree is a hypernym of silver tree; that is, tree is a word with a broader meaning than silver tree:

silver tree: small South African tree with long silvery silky foliage
tree: a tall perennial woody plant having a main trunk and branches forming a distinct elevated crown; includes both gymnosperms and angiosperms

silver tree (noun)	tree (noun)
Australian timber tree	a tall perennial woody plant having a main trunk and branches forming a distinct elevated crown; includes both gymnosperms and angiosperms
small South African tree with long silvery silky foliage	a figure that branches from a single root

silver tree (verb)	tree (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