Synonyms and related words :
aggression, aggressiveness, antagonism, bellicism, bellicosity, belligerence, belligerency, chauvinism, combativeness, contentiousness, ferocity, fierceness, fight, hostility, jingoism, martialism, militancy, militarism, pugnaciousness, pugnacity, quarrelsomeness, saber rattling, truculence, unfriendliness, unpeacefulness, warmongering