Anacyclus pyrethrum vs pellitory

Anacyclus pyrethrum and pellitory both are nouns.

Word	Noun	Adjective	Verb	Adverb
Anacyclus pyrethrum	Yes	No	No	No
pellitory	Yes	No	No	No

As nouns, Anacyclus pyrethrum and pellitory are synonyms defined as:

Anacyclus pyrethrum and pellitory: a small Mediterranean plant containing a volatile oil once used to relieve toothache

Other synonyms of Anacyclus pyrethrum include pellitory-of-Spain.

Anacyclus pyrethrum (noun)	pellitory (noun)
a small Mediterranean plant containing a volatile oil once used to relieve toothache	a small Mediterranean plant containing a volatile oil once used to relieve toothache
	herb that grows in crevices having long narrow leaves and small pink apetalous flowers