inculpation vs accusation

inculpation and accusation both are nouns.

Word	Noun	Adjective	Verb	Adverb
inculpation	Yes	No	No	No
accusation	Yes	No	No	No

As nouns, accusation is a hypernym of inculpation; that is, accusation is a word with a broader meaning than inculpation:

inculpation: an accusation that you are responsible for some lapse or misdeed
accusation: a formal charge of wrongdoing brought against a person; the act of imputing blame or guilt

Other hypernyms of inculpation include accusal.

inculpation (noun)	accusation (noun)
an accusation that you are responsible for some lapse or misdeed	a formal charge of wrongdoing brought against a person; the act of imputing blame or guilt
	an assertion that someone is guilty of a fault or offence