Crossword clues for Motor sound. 5 lettersAnswerCluePURRSMotor sounds.DRONEAirplane motor sound.DRONEMotor sound.DRONESound of motors in the sky.RRRRRSound of a motor.DRONESound of airplane motors.WHIRHumming motor soundPINGMotor soundHUMMotor soundPURRGood motor sound.PUTPUTMotor sound.PURRCat or motor soundPINGUnfortunate motor soundPURRMotor soundHUMMotor's soundCHUGSound of a motor.PURRSound of a motor.PURRSound from Tabby's "motor"PUTPUTSound of an outboard motor.HUMSound of an airplane motor.SPUTTERSound from a failing motorPURRSound of a Maltese or motor