marsh plant vs bog plant

marsh plant and bog plant both are nouns.

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

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

marsh 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 marsh plant include swamp plant.

marsh 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