marsh marigold vs meadow bright

marsh marigold and meadow bright both are nouns.

Word	Noun	Adjective	Verb	Adverb
marsh marigold	Yes	No	No	No
meadow bright	Yes	No	No	No

As nouns, marsh marigold and meadow bright are synonyms defined as:

marsh marigold and meadow bright: swamp plant of Europe and North America having bright yellow flowers resembling buttercups

Other synonyms of marsh marigold include Caltha palustris, cowslip, kingcup, May blob, water dragon.

marsh marigold (noun)	meadow bright (noun)
swamp plant of Europe and North America having bright yellow flowers resembling buttercups	swamp plant of Europe and North America having bright yellow flowers resembling buttercups