self-accusation(n = noun.communication) self-condemnation - an admission that you have failed to do or be something you know you should do or be;
is a kind of confession, accusal, accusation

self-accusation, n. the accusing of oneself.

Derivative:
self-accusatory adj.

N  penitence, contrition, compunction, repentance, remorse, regret, self-reproach, self-reproof, self-accusation, self-condemnation, self-humiliation, stings of conscience, pangs of conscience, qualms of conscience, prickings of conscience, twinge of conscience, twitch of conscience, touch of conscience, voice of conscience, compunctious visitings of nature, acknowledgment, confession, apology, recantation, penance, resipiscence, awakened conscience, deathbed repentance, locus paenitentiae, stool of repentance, cuttystool, penitent, repentant, Magdalen, prodigal son, a sadder and a wiser man, penitent, repenting, repentant, contrite, conscience- smitten, conscience-stricken, self-accusing, self-convicted, penitential, penitentiary, reclaimed, reborn, not hardened, unhardened, mea culpa, peccavi, erubuit, salva res est, Tu l'as voulu, Georges Dandin, and wet his grave with my repentant tears.