white lily vs Egyptian water lily

white lily and Egyptian water lily both are nouns.

Word	Noun	Adjective	Verb	Adverb
white lily	Yes	No	No	No
Egyptian water lily	Yes	No	No	No

As nouns, white lily and Egyptian water lily are synonyms defined as:

white lily and Egyptian water lily: white Egyptian lotus: water lily of Egypt to southeastern Africa; held sacred by the Egyptians

Other synonyms of white lily include lotus, Nymphaea lotus, white lotus.

white lily (noun)	Egyptian water lily (noun)
lily of eastern Mediterranean and the Balkans with broad funnel-shaped white flowers	white Egyptian lotus: water lily of Egypt to southeastern Africa; held sacred by the Egyptians
white Egyptian lotus: water lily of Egypt to southeastern Africa; held sacred by the Egyptians