pomme blanche vs breadroot

pomme blanche and breadroot both are nouns.

Word	Noun	Adjective	Verb	Adverb
pomme blanche	Yes	No	No	No
breadroot	Yes	No	No	No

As nouns, pomme blanche and breadroot are synonyms defined as:

pomme blanche and breadroot: densely hairy perennial of central North America having edible tuberous roots

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

pomme blanche (noun)	breadroot (noun)
densely hairy perennial of central North America having edible tuberous roots	densely hairy perennial of central North America having edible tuberous roots