water chinquapin vs water lily

water chinquapin and water lily both are nouns.

Word	Noun	Adjective	Verb	Adverb
water chinquapin	Yes	No	No	No
water lily	Yes	No	No	No

As nouns, water lily is a hypernym of water chinquapin; that is, water lily is a word with a broader meaning than water chinquapin:

water chinquapin: water lily of eastern North America having pale yellow blossoms and edible globular nutlike seeds
water lily: an aquatic plant of the family Nymphaeaceae

water chinquapin (noun)	water lily (noun)
edible nutlike seeds of an American lotus having the flavor of a chinquapin	an aquatic plant of the family Nymphaeaceae
water lily of eastern North America having pale yellow blossoms and edible globular nutlike seeds