Parietaria difusa vs pellitory

Parietaria difusa and pellitory both are nouns.

Word	Noun	Adjective	Verb	Adverb
Parietaria difusa	Yes	No	No	No
pellitory	Yes	No	No	No

As nouns, Parietaria difusa and pellitory are synonyms defined as:

Parietaria difusa and pellitory: herb that grows in crevices having long narrow leaves and small pink apetalous flowers

Other synonyms of Parietaria difusa include pellitory-of-the-wall, wall pellitory.

Parietaria difusa (noun)	pellitory (noun)
herb that grows in crevices having long narrow leaves and small pink apetalous flowers	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