pepper root vs crinkle root

pepper root and crinkle root both are nouns.

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

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

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

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

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