Castanea dentata vs American sweet chestnut

Castanea dentata and American sweet chestnut both are nouns.

Word	Noun	Adjective	Verb	Adverb
Castanea dentata	Yes	No	No	No
American sweet chestnut	Yes	No	No	No

As nouns, Castanea dentata and American sweet chestnut are synonyms defined as:

Castanea dentata and American sweet chestnut: large tree found from Maine to Alabama

Other synonyms of Castanea dentata include American chestnut.

Castanea dentata (noun)	American sweet chestnut (noun)
large tree found from Maine to Alabama	large tree found from Maine to Alabama