marsh plant vs swamp plant

marsh plant and swamp plant both are nouns.

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

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

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

Other synonyms of marsh plant include bog plant.

marsh plant (noun)	swamp 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