pepper root vs toothwort

pepper root and toothwort both are nouns.

Word	Noun	Adjective	Verb	Adverb
pepper root	Yes	No	No	No
toothwort	Yes	No	No	No

As nouns, pepper root and toothwort are synonyms defined as:

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

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

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