swamp bay vs Magnolia virginiana

swamp bay and Magnolia virginiana both are nouns.

Word	Noun	Adjective	Verb	Adverb
swamp bay	Yes	No	No	No
Magnolia virginiana	Yes	No	No	No

As nouns, swamp bay and Magnolia virginiana are synonyms defined as:

swamp bay and Magnolia virginiana: shrub or small tree having rather small fragrant white flowers; abundant in southeastern United States

Other synonyms of swamp bay include swamp laurel, sweet bay.

swamp bay (noun)	Magnolia virginiana (noun)
shrub or small tree having rather small fragrant white flowers; abundant in southeastern United States	shrub or small tree having rather small fragrant white flowers; abundant in southeastern United States