abuse vs usage

abuse and usage both are nouns.

Word	Noun	Adjective	Verb	Adverb
abuse	Yes	No	Yes	No
usage	Yes	No	No	No

As nouns, usage is a hypernym of abuse; that is, usage is a word with a broader meaning than abuse:

Other hypernyms of abuse include employment, exercise, use, utilisation, utilization.

abuse (noun)	usage (noun)
improper or excessive use	the act of using
cruel or inhumane treatment	accepted or habitual practice
a rude expression intended to offend or hurt	the customary manner in which a language (or a form of a language) is spoken or written

abuse (verb)	usage (verb)
change the inherent purpose or function of something
use wrongly or improperly or excessively
use foul or abusive language towards
treat badly