affair vs bee

affair and bee both are nouns.

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

As nouns, bee is a hyponym of affair; that is, bee is a word with a more specific, narrower meaning than affair:

affair: a formal or official social gathering or ceremony of people
bee: a social gathering to carry out some communal task or to hold competitions

affair (noun)	bee (noun)
a vaguely specified concern	any of numerous hairy-bodied insects including social and solitary species
a formal or official social gathering or ceremony of people	a social gathering to carry out some communal task or to hold competitions
a usually secretive or illicit sexual relationship