whorlywort vs Culvers root

whorlywort and Culvers root both are nouns.

Word	Noun	Adjective	Verb	Adverb
whorlywort	Yes	No	No	No
Culvers root	Yes	No	No	No

As nouns, whorlywort and Culvers root are synonyms defined as:

whorlywort and Culvers root: a tall perennial herb having spikes of small white or purple flowers; common in eastern North America

Other synonyms of whorlywort include Culver's physic, Culver's root, Culvers physic, Veronicastrum virginicum.

whorlywort (noun)	Culvers root (noun)
a tall perennial herb having spikes of small white or purple flowers; common in eastern North America	a tall perennial herb having spikes of small white or purple flowers; common in eastern North America