groundnut vine vs Indian potato

groundnut vine and Indian potato both are nouns.

Word	Noun	Adjective	Verb	Adverb
groundnut vine	Yes	No	No	No
Indian potato	Yes	No	No	No

As nouns, groundnut vine and Indian potato are synonyms defined as:

groundnut vine and Indian potato: a North American vine with fragrant blossoms and edible tubers; important food crop of Native Americans

Other synonyms of groundnut vine include Apios americana, Apios tuberosa, groundnut, potato bean, wild bean.

groundnut vine (noun)	Indian potato (noun)
a North American vine with fragrant blossoms and edible tubers; important food crop of Native Americans	very tall American perennial of central and the eastern United States to Canada having edible tuberous roots
	a North American vine with fragrant blossoms and edible tubers; important food crop of Native Americans