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, fallings-out(or falling-outs), fights, hassles, imbroglios, 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