Mercurialis annua vs boys-and-girls

Mercurialis annua and boys-and-girls both are nouns.

Word	Noun	Adjective	Verb	Adverb
Mercurialis annua	Yes	No	No	No
boys-and-girls	Yes	No	No	No

As nouns, Mercurialis annua and boys-and-girls are synonyms defined as:

Mercurialis annua and boys-and-girls: Eurafrican annual naturalized in America as a weed; formerly dried for use as a purgative, diuretic or antisyphilitic

Other synonyms of Mercurialis annua include herb mercury, herbs mercury.

Mercurialis annua (noun)	boys-and-girls (noun)
Eurafrican annual naturalized in America as a weed; formerly dried for use as a purgative, diuretic or antisyphilitic	Eurafrican annual naturalized in America as a weed; formerly dried for use as a purgative, diuretic or antisyphilitic