Tilia americana vs American lime

Tilia americana and American lime both are nouns.

Word	Noun	Adjective	Verb	Adverb
Tilia americana	Yes	No	No	No
American lime	Yes	No	No	No

As nouns, Tilia americana and American lime are synonyms defined as:

Tilia americana and American lime: large American shade tree with large dark green leaves and rounded crown

Other synonyms of Tilia americana include American basswood.

Tilia americana (noun)	American lime (noun)
large American shade tree with large dark green leaves and rounded crown	large American shade tree with large dark green leaves and rounded crown