imputation vs accusal

imputation and accusal both are nouns.

Word	Noun	Adjective	Verb	Adverb
imputation	Yes	No	No	No
accusal	Yes	No	No	No

As nouns, accusal is a hypernym of imputation; that is, accusal is a word with a broader meaning than imputation:

imputation: a statement attributing something dishonest (especially a criminal offense)
accusal: a formal charge of wrongdoing brought against a person; the act of imputing blame or guilt

Other hypernyms of imputation include accusation.

imputation (noun)	accusal (noun)
the attribution to a source or cause	a formal charge of wrongdoing brought against a person; the act of imputing blame or guilt
a statement attributing something dishonest (especially a criminal offense)