Answer: squabble

AnswerCrossword Clue
SQUABBLEShow dissension
SQUABBLEPetty disagreement
SQUABBLEPetty dispute.
SQUABBLEBicker
SQUABBLEPettifog
SQUABBLEInsignificant row
squabbleto quarrel (to become involved in an unfriendly dispute)
squabbleA noisy quarrel about something petty or trivial