Synonyms for Dispute (same or very similar meaning)
WordNet sense 1 (a disagreement or argument about something important):
conflict, difference, conflict, difference of opinionWordNet sense 2 (coming into conflict with):
contraventionWordNet sense 3 (take exception to):
challenge, gainsayWordNet sense 4 (have a disagreement over something):
quarrel, scrap, altercate, argufyFrom the ODE community, based on WordNetadd/edit