RANCOUR

n. hatred, hate, antipathy, spite, resentment, resentfulness, antagonism, hostility, malignity, bitterness, malevolence, malice, venomousness, venom, vindictiveness, vengefulness, spleen, acrimony, animus, animosity, enmity, bad feeling, bad blood Owing to the rancour between them, the brothers had not exchanged a word in forty years