celandine vs poppy

celandine and poppy both are nouns.

Word	Noun	Adjective	Verb	Adverb
celandine	Yes	No	No	No
poppy	Yes	No	No	No

As nouns, poppy is a hypernym of celandine; that is, poppy is a word with a broader meaning than celandine:

celandine: perennial herb with branched woody stock and bright yellow flowers
poppy: annual or biennial or perennial herbs having showy flowers

celandine (noun)	poppy (noun)
perennial herb with branched woody stock and bright yellow flowers	annual or biennial or perennial herbs having showy flowers
North American annual plant with usually yellow or orange flowers; grows chiefly on wet rather acid soil