water dragon vs swamp lily

water dragon and swamp lily both are nouns.

Word	Noun	Adjective	Verb	Adverb
water dragon	Yes	No	No	No
swamp lily	Yes	No	No	No

As nouns, water dragon and swamp lily are synonyms defined as:

water dragon and swamp lily: North American herbaceous perennial of wet places having slender curled racemes of small white flowers

Other synonyms of water dragon include lizard's-tail, Saururus cernuus.

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