Nuphar advena vs cow lily

Nuphar advena and cow lily both are nouns.

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

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

Nuphar advena and cow lily: 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 Nuphar advena include spatterdock, yellow pond lily.

Nuphar advena (noun)	cow lily (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