anxiety, apologies, attrition, ayenbite of inwit, bitterness, compunction, contriteness, contrition, embarrassment, grief, guilt, guilty conscience, humiliation, mortification, pangs of conscience, penance, penitence, penitently, regret, regretfulness, regrets, regretting, remorse of conscience, remorsefulness, repentance, repining, rue, ruefulness, self-reproach, shame, shamefacedness, shamefastness, shamefulness, sorriness, sorrow, wistfulness, woe