Synonyms of feuding

1 Syllable
broil, row, fight
2 Syllables
contest, run-in, squabble, faction, conflict, strife, discord, grudge, fracas, combat, quarrel
3 Syllables
vendetta, enmity, bickering, dispute, rivalry, contention, dissension, contentions
4 Syllables
hostility, altercation, controversy, disagreement