Rhus vernix vs poison ash

Rhus vernix and poison ash both are nouns.

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

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

Rhus vernix and poison ash: 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 dogwood, poison sumac, Toxicodendron vernix.

Rhus vernix (noun)	poison ash (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