cow lily vs Nuphar advena

cow lily and Nuphar advena both are nouns.

Word	Noun	Adjective	Verb	Adverb
cow lily	Yes	No	No	No
Nuphar advena	Yes	No	No	No

As nouns, cow lily and Nuphar advena are synonyms defined as:

cow lily and Nuphar advena: common water lily of eastern and central North America, having broad leaves and globe-shaped yellow flowers; in sluggish fresh or slightly brackish water

Other synonyms of cow lily include spatterdock, yellow pond lily.

cow lily (noun)	Nuphar advena (noun)
common water lily of eastern and central North America, having broad leaves and globe-shaped yellow flowers; in sluggish fresh or slightly brackish water	common water lily of eastern and central North America, having broad leaves and globe-shaped yellow flowers; in sluggish fresh or slightly brackish water