bonk vs pair

bonk is not a noun while pair is a noun.

Word	Noun	Adjective	Verb	Adverb
bonk	No	No	Yes	No
pair	Yes	No	Yes	No

As verbs, pair is a hypernym of bonk; that is, pair is a word with a broader meaning than bonk:

Other hypernyms of bonk include copulate, couple, mate.

bonk (noun)	pair (noun)
	two people considered as a unit
	a set of two similar things considered as a unit
	a poker hand with 2 cards of the same value
	two items of the same kind

bonk (verb)	pair (verb)
hit hard	engage in sexual intercourse
have sexual intercourse with	bring two objects, ideas, or people together
	arrange in pairs
	occur in pairs
	form a pair or pairs