Ruta graveolens vs herb of grace

Ruta graveolens and herb of grace both are nouns.

Word	Noun	Adjective	Verb	Adverb
Ruta graveolens	Yes	No	No	No
herb of grace	Yes	No	No	No

As nouns, Ruta graveolens and herb of grace are synonyms defined as:

Ruta graveolens and herb of grace: European strong-scented perennial herb with grey-green bitter-tasting leaves; an irritant similar to poison ivy

Other synonyms of Ruta graveolens include rue.

Ruta graveolens (noun)	herb of grace (noun)
European strong-scented perennial herb with grey-green bitter-tasting leaves; an irritant similar to poison ivy	European strong-scented perennial herb with grey-green bitter-tasting leaves; an irritant similar to poison ivy