Rhus vernix vs poison sumac

Rhus vernix and poison sumac both are nouns.

Word	Noun	Adjective	Verb	Adverb
Rhus vernix	Yes	No	No	No
poison sumac	Yes	No	No	No

As nouns, Rhus vernix and poison sumac are synonyms defined as:

Rhus vernix and poison sumac: smooth American swamp shrub with pinnate leaves and greenish flowers followed by greenish white berries; yields an irritating oil

Other synonyms of Rhus vernix include poison ash, poison dogwood, Toxicodendron vernix.

Rhus vernix (noun)	poison sumac (noun)
smooth American swamp shrub with pinnate leaves and greenish flowers followed by greenish white berries; yields an irritating oil	smooth American swamp shrub with pinnate leaves and greenish flowers followed by greenish white berries; yields an irritating oil
	dermatitis resulting from contact with a poison sumac plant