Saururus cernuus vs water dragon

Saururus cernuus and water dragon both are nouns.

Word	Noun	Adjective	Verb	Adverb
Saururus cernuus	Yes	No	No	No
water dragon	Yes	No	No	No

As nouns, Saururus cernuus and water dragon are synonyms defined as:

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

Other synonyms of Saururus cernuus include lizard's-tail, swamp lily.

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