Repudiation
Part of speech: noun
Definition: The act of refusing to accept; the act of repudiating.
Renunciation
Part of speech: noun
Definition: the act of rejecting or renouncing something as invalidthe resignation of an ecclesiastical office
Example sentence: The desert Arab found no joy like the joy of voluntarily holding back. He found luxury in abnegation, renunciation, self restraint. He made nakedness of the mind as sensuous as nakedness of the body. He saved his own soul, perhaps, and without danger, but in a hard selfishness.