S: (n) discrepancy, disagreement, divergence, variance (a difference between conflicting facts or claims or opinions) "a growing divergence of opinion"
S: (n) dispute, difference, difference of opinion, conflict (a disagreement or argument about something important) "he had a dispute with his wife"; "there were irreconcilable differences"; "the familiar conflict between Republicans and Democrats"
S: (n) collision (a conflict of opposed ideas or attitudes or goals) "a collision of interests"