Crossword clues for Murmuring sound. 4 letters:CURRMurmuring soundPURRMurmuring sound.PURLMurmuring sound.PURRLow murmuring sound.COOMurmuring sound.SOUGHMake murmuring soundsSOUGHSoft murmuring sound.PURRYMaking a soft, murmuring sound.SOUGHMurmuring soundPURLSMurmuring sounds.PURMurmuring sound: Var.