swamp plant vs bog plant

swamp plant and bog plant both are nouns.

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

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

swamp plant and bog plant: a semiaquatic plant that grows in soft wet land; most are monocots: sedge, sphagnum, grasses, cattails, etc; possibly heath

Other synonyms of swamp plant include marsh plant.

swamp plant (noun)	bog plant (noun)
a semiaquatic plant that grows in soft wet land; most are monocots: sedge, sphagnum, grasses, cattails, etc; possibly heath	a semiaquatic plant that grows in soft wet land; most are monocots: sedge, sphagnum, grasses, cattails, etc; possibly heath