1 affray, altercation, argument, bagarre, brawl, breach, broil, commotion, contention, controversy, difference (of opinion), disagreement, discord, disputation, dispute, dissension, dissidence, disturbance, feud, fight, fracas, fray, misunderstanding, row, scrap (informal) shindig (informal) shindy (informal) skirmish, spat, squabble, strife, tiff, tumult, vendetta, wrangle vb
2 altercate, argue, bicker, brawl, clash, differ, disagree, dispute, fall out (informal) fight, fight like cat and dog, go at it hammer and tongs, row, spar, squabble, wrangle
3 carp, cavil, complain, decry, disapprove, find fault, object to, take exception to