Psoralea esculenta vs pomme de prairie

Psoralea esculenta and pomme de prairie both are nouns.

Word	Noun	Adjective	Verb	Adverb
Psoralea esculenta	Yes	No	No	No
pomme de prairie	Yes	No	No	No

As nouns, Psoralea esculenta and pomme de prairie are synonyms defined as:

Psoralea esculenta and pomme de prairie: densely hairy perennial of central North America having edible tuberous roots

Other synonyms of Psoralea esculenta include breadroot, Indian breadroot, pomme blanche.

Psoralea esculenta (noun)	pomme de prairie (noun)
densely hairy perennial of central North America having edible tuberous roots	densely hairy perennial of central North America having edible tuberous roots