repentance   
bebaka
repentance, imploring forgiveness, confession. See [Richardson 1885]
fibebahana
repentance, contrition [Richardson 1885, Hallanger 1973]
fivalozana
a change of sentiment; regret, repentance [Hallanger 1973]
nenina
regret, bitter reflection, grief, repentance, remorse. Comp. bebaka. [Richardson 1885]