Crossword clues for Knock sound:RATATATKnock-knock soundARENTWord that sounds like "orange" in a classic knock-knock jokeRATATATTAT*Knocking soundTATTARRATTAT*Knocking sound, in Joyce's "Ulysses" (longest palindromic word in the OED)RATA___-tat (knocking sound)RATATATKnocking soundRAPSKnocking soundsRATATATKnock soundATATRat-__ (knocking sound)BONKNoggin-knocking soundRAPDoor-knock soundRAPDoor-knocking soundRATTATKnocking sound.CLACKSKnocking soundsRATATATImitative knocking soundOOFGot-the-wind-knocked-out soundOOFWind-knocked-out soundPINGSKnocking engine soundsPINGSound of knockingRAPSKnock-on-door soundsRATATATSound of a knockRATATATSound of repeated knocking.BONKCartoon knock-on-the-head sound