abuse vs blackguard

abuse and blackguard both are nouns.

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

As verbs, abuse and blackguard are synonyms defined as:

Other synonyms of abuse include clapperclaw, shout.

abuse (noun)	blackguard (noun)
improper or excessive use	someone who is morally reprehensible
cruel or inhumane treatment
a rude expression intended to offend or hurt

abuse (verb)	blackguard (verb)
change the inherent purpose or function of something	use foul or abusive language towards
use wrongly or improperly or excessively	subject to laughter or ridicule
use foul or abusive language towards
treat badly