carpenter bee vs bee

carpenter bee and bee both are nouns.

Word	Noun	Adjective	Verb	Adverb
carpenter bee	Yes	No	No	No
bee	Yes	No	No	No

As nouns, bee is a hypernym of carpenter bee; that is, bee is a word with a broader meaning than carpenter bee:

carpenter bee: large solitary bee that lays eggs in tunnels bored into wood or plant stems
bee: any of numerous hairy-bodied insects including social and solitary species

carpenter bee (noun)	bee (noun)
large solitary bee that lays eggs in tunnels bored into wood or plant stems	any of numerous hairy-bodied insects including social and solitary species
	a social gathering to carry out some communal task or to hold competitions