altercations, argle-bargles(chiefly British), arguments, argy-bargies(chiefly British), battles royal(or battle royals or battles royale or battle royales), bickers, brawls, contretemps, controversies, cross fires, disagreements, disputes, donnybrooks, fights, hassles, imbroglios, kickups, misunderstandings, quarrels, rhubarbs, rows, scraps, set-tos, spats, squabbles, tiffs, wrangles

clashes, run-ins, skirmishes, tangles, tussleslogomachiesfeuds, vendettasattacks, contentions, dissensions(also dissentions)debates, differences, disputationsfusses, objections, protestations, protestsaffrays(chiefly British), fisticuffs, fracases(or British fracas), frays, free-for-alls, melees(also mêlées)catfights