crinkle root vs pepper root

crinkle root and pepper root both are nouns.

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

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

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

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

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