sincere penitence or remorse.

Theology . sorrow for and detestation of sin with a true purpose of amendment, arising from a love of God for His own perfections (perfect contrition), or from some inferior motive, as fear of divine punishment (imperfect contrition).

noun

hurtfulness , indifference , meanness

noun

attrition , compunction , contriteness , humiliation , penance , penitence , penitency , remorse , repentance , rue , ruth , self-reproach , sorrow , remorsefulness