poison dogwood vs Rhus vernix

poison dogwood and Rhus vernix both are nouns.

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

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

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

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

poison dogwood (noun)	Rhus vernix (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