daffodil vs paper white

daffodil and paper white both are nouns.

Word	Noun	Adjective	Verb	Adverb
daffodil	Yes	No	No	No
paper white	Yes	No	No	No

As nouns, paper white is a hyponym of daffodil; that is, paper white is a word with a more specific, narrower meaning than daffodil:

daffodil: any of numerous varieties of Narcissus plants having showy often yellow flowers with a trumpet-shaped central crown
paper white: a daffodil having star-shaped white blossoms; often grown indoors to bloom in the winter

Other hyponyms of daffodil include jonquil, Narcissus papyraceus.

daffodil (noun)	paper white (noun)
any of numerous varieties of Narcissus plants having showy often yellow flowers with a trumpet-shaped central crown	a daffodil having star-shaped white blossoms; often grown indoors to bloom in the winter