white basswood vs lime tree

white basswood and lime tree both are nouns.

Word	Noun	Adjective	Verb	Adverb
white basswood	Yes	No	No	No
lime tree	Yes	No	No	No

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

white basswood: American basswood of the Allegheny region
lime tree: any of various deciduous trees of the genus Tilia with heart-shaped leaves and drooping cymose clusters of yellowish often fragrant flowers; several yield valuable timber

Other hypernyms of white basswood include basswood, lime, linden, linden tree.

white basswood (noun)	lime tree (noun)
American basswood of the Allegheny region	any of various related trees bearing limes
	any of various deciduous trees of the genus Tilia with heart-shaped leaves and drooping cymose clusters of yellowish often fragrant flowers; several yield valuable timber