poison dogwood vs Toxicodendron vernix

poison dogwood and Toxicodendron vernix both are nouns.

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

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

poison dogwood and Toxicodendron 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, Rhus vernix.

poison dogwood (noun)	Toxicodendron 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