contumely vs abuse

contumely and abuse both are nouns.

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

As nouns, contumely and abuse are synonyms defined as:

Other synonyms of contumely include insult, revilement, vilification.

contumely (noun)	abuse (noun)
a rude expression intended to offend or hurt	improper or excessive use
	cruel or inhumane treatment
	a rude expression intended to offend or hurt

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