bog laurel vs swamp laurel

bog laurel and swamp laurel both are nouns.

Word	Noun	Adjective	Verb	Adverb
bog laurel	Yes	No	No	No
swamp laurel	Yes	No	No	No

As nouns, bog laurel and swamp laurel are synonyms defined as:

bog laurel and swamp laurel: laurel of bogs of northwestern United States having small purple flowers and pale leaves that are glaucous beneath

Other synonyms of bog laurel include bog kalmia, Kalmia polifolia.

bog laurel (noun)	swamp laurel (noun)
laurel of bogs of northwestern United States having small purple flowers and pale leaves that are glaucous beneath	laurel of bogs of northwestern United States having small purple flowers and pale leaves that are glaucous beneath
	shrub or small tree having rather small fragrant white flowers; abundant in southeastern United States