A minor quarrel is a disagreement between two people that is usually not serious. The term can be broken down into three parts: SPAT (4 letters), TIFF (4 letters), and RUNIN (5 letters). SPAT refers to a brief argument or disagreement, TIFF is another word for a quarrel, and RUNIN is a heated argument or altercation. Together, these words form the phrase 'minor quarrel, ' which describes a small disagreement between two people.