pellitory vs Parietaria difusa

pellitory and Parietaria difusa both are nouns.

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

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

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

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

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