kingcup vs meadow bright

kingcup and meadow bright both are nouns.

Word	Noun	Adjective	Verb	Adverb
kingcup	Yes	No	No	No
meadow bright	Yes	No	No	No

As nouns, kingcup and meadow bright are synonyms defined as:

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

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

kingcup (noun)	meadow bright (noun)
any of various plants of the genus Ranunculus	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