Nelumbo lutea vs American lotus

Nelumbo lutea and American lotus both are nouns.

Word	Noun	Adjective	Verb	Adverb
Nelumbo lutea	Yes	No	No	No
American lotus	Yes	No	No	No

As nouns, Nelumbo lutea and American lotus are synonyms defined as:

Nelumbo lutea and American lotus: water lily of eastern North America having pale yellow blossoms and edible globular nutlike seeds

Other synonyms of Nelumbo lutea include water chinquapin, yanquapin.

Nelumbo lutea (noun)	American lotus (noun)
water lily of eastern North America having pale yellow blossoms and edible globular nutlike seeds	water lily of eastern North America having pale yellow blossoms and edible globular nutlike seeds