bang vs copulate

bang is a noun but copulate is not a noun.

Word	Noun	Adjective	Verb	Adverb
bang	Yes	No	Yes	Yes
copulate	No	No	Yes	No

As verbs, copulate is a hypernym of bang; that is, copulate is a word with a broader meaning than bang:

Other hypernyms of bang include couple, mate, pair.

bang (noun)	copulate (noun)
a conspicuous success
a border of hair that is cut short and hangs across the forehead
a sudden very loud noise
a vigorous blow
the swift release of a store of affective force

bang (verb)	copulate (verb)
strike violently	engage in sexual intercourse
close violently
leap, jerk, bang
have sexual intercourse with
move noisily
to produce a sharp often metallic explosive or percussive sound

bang (adverb)	copulate (adverb)
directly