differ vs counterpoint

differ is not a noun while counterpoint is a noun.

Word	Noun	Adjective	Verb	Adverb
differ	No	No	Yes	No
counterpoint	Yes	No	Yes	No

As verbs, counterpoint is a hyponym of differ; that is, counterpoint is a word with a more specific, narrower meaning than differ:

Other hyponyms of differ include depart, deviate, diverge, vary, vary, contrast.

differ (noun)	counterpoint (noun)
	a musical form involving the simultaneous sound of two or more melodies

differ (verb)	counterpoint (verb)
be of different opinions	write in counterpoint
be different	to show differences when compared; be different