Rhododendron viscosum vs swamp azalea

Rhododendron viscosum and swamp azalea both are nouns.

Word	Noun	Adjective	Verb	Adverb
Rhododendron viscosum	Yes	No	No	No
swamp azalea	Yes	No	No	No

As nouns, Rhododendron viscosum and swamp azalea are synonyms defined as:

Rhododendron viscosum and swamp azalea: shrub growing in swamps throughout the eastern United States and having small white to pinkish flowers resembling honeysuckle

Other synonyms of Rhododendron viscosum include swamp honeysuckle, white honeysuckle.

Rhododendron viscosum (noun)	swamp azalea (noun)
shrub growing in swamps throughout the eastern United States and having small white to pinkish flowers resembling honeysuckle	shrub growing in swamps throughout the eastern United States and having small white to pinkish flowers resembling honeysuckle