water dragon vs May blob

water dragon and May blob both are nouns.

Word	Noun	Adjective	Verb	Adverb
water dragon	Yes	No	No	No
May blob	Yes	No	No	No

As nouns, water dragon and May blob are synonyms defined as:

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

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

water dragon (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
North American herbaceous perennial of wet places having slender curled racemes of small white flowers