blackcap vs chickadee

blackcap and chickadee both are nouns.

Word	Noun	Adjective	Verb	Adverb
blackcap	Yes	No	No	No
chickadee	Yes	No	No	No

As nouns, chickadee is a hypernym of blackcap; that is, chickadee is a word with a broader meaning than blackcap:

blackcap (noun)	chickadee (noun)
small brownish-grey warbler with a black crown	any of various small grey-and-black songbirds of North America
chickadee having a dark crown
small black-headed European gull
raspberry native to eastern North America having black thimble-shaped fruit