self-accusation vs accusal

self-accusation and accusal both are nouns.

Word	Noun	Adjective	Verb	Adverb
self-accusation	Yes	No	No	No
accusal	Yes	No	No	No

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

self-accusation: an admission that you have failed to do or be something you know you should do or be
accusal: a formal charge of wrongdoing brought against a person; the act of imputing blame or guilt

Other hypernyms of self-accusation include confession, accusation.

self-accusation (noun)	accusal (noun)
an admission that you have failed to do or be something you know you should do or be	a formal charge of wrongdoing brought against a person; the act of imputing blame or guilt