Veratrum viride vs American hellebore

Veratrum viride and American hellebore both are nouns.

Word	Noun	Adjective	Verb	Adverb
Veratrum viride	Yes	No	No	No
American hellebore	Yes	No	No	No

As nouns, Veratrum viride and American hellebore are synonyms defined as:

Veratrum viride and American hellebore: North American plant having large leaves and yellowish green flowers growing in racemes; yields a toxic alkaloid used medicinally

Other synonyms of Veratrum viride include bugbane, Indian poke, white hellebore.

Veratrum viride (noun)	American hellebore (noun)
North American plant having large leaves and yellowish green flowers growing in racemes; yields a toxic alkaloid used medicinally	North American plant having large leaves and yellowish green flowers growing in racemes; yields a toxic alkaloid used medicinally