Kilkenny cats, abhorrence, abomination, action, aggression, aggressiveness, allergy, altercation, animosity, animus, antagonism, anteposition, antipathy, antithesis, argument, aversion, bad blood, bad feeling, bellicism, bellicosity, belligerence, belligerency, bickering, bloodshed, cat-and-dog life, chauvinism, clash, clashing, cold sweat, collision, combat, combativeness, competition, conflict, confrontation, confrontment, contention, contentiousness, contest, contestation, contradiction, contradistinction, contraindication, contraposition, contrariety, contrariness, contrast, controversy, counterposition, creeping flesh, cross-purposes, cut and thrust, debate, despitefulness, disaccord, disaffinity, disagreement, discrepancy, disgust, disputation, dispute, dissension, enmity, ferocity, fierceness, fight, fighting, fractiousness, friction, hard feelings, hardheartedness, hate, hatred, horror, hostilities, ill will, immediate dislike, inconsistency, inimicalness, jingoism, litigation, loathing, logomachy, malevolence, malice, malignity, martialism, militancy, militarism, mortal horror, nausea, negativeness, noncooperation, obstinacy, opposing, oppositeness, opposition, opposure, oppugnance, oppugnancy, paper war, personality conflict, perverseness, perversity, polar opposition, polarity, polarization, polemic, posing against, pugnaciousness, pugnacity, quarrel, quarreling, quarrelsomeness, rancor, recalcitrance, refractoriness, repugnance, repulsion, rivalry, saber rattling, scrapping, showdown, shuddering, spite, spitefulness, squabbling, state of war, strife, struggle, truculence, uncooperativeness, unfriendliness, unpeacefulness, vying, war, war of words, warfare, warmongering, warpath, words, wrangling