pepper root vs Dentaria diphylla

pepper root and Dentaria diphylla both are nouns.

Word	Noun	Adjective	Verb	Adverb
pepper root	Yes	No	No	No
Dentaria diphylla	Yes	No	No	No

As nouns, pepper root and Dentaria diphylla are synonyms defined as:

pepper root and Dentaria diphylla: North American herb with pungent scaly or toothed roots

Other synonyms of pepper root include Cardamine diphylla, crinkle-root, crinkle root, crinkleroot, toothwort.

pepper root (noun)	Dentaria diphylla (noun)
North American herb with pungent scaly or toothed roots	North American herb with pungent scaly or toothed roots