marsh marigold vs May blob

marsh marigold and May blob both are nouns.

Word	Noun	Adjective	Verb	Adverb
marsh marigold	Yes	No	No	No
May blob	Yes	No	No	No

As nouns, marsh marigold and May blob are synonyms defined as:

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

Other synonyms of marsh marigold include Caltha palustris, cowslip, kingcup, meadow bright, water dragon.

marsh marigold (noun)	May blob (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