Following are all the murmured like words, in the list below.
MURMURATION
100% like murmured
MUTTER
100% like murmured
MUTTERING
100% like murmured
GRUMBLE
99.97% like murmured
GRUMBLING
99.95% like murmured
CROAK
99.89% like murmured
GNARL
99.48% like murmured
HEART MURMUR
98.69% like murmured
CARDIAC MURMUR
0.31% like murmured
MURMUR VOWEL
0.31% like murmured
MUTTERED
0.31% like murmured
MUMBLED
0.31% like murmured
WHISPERED
0.31% like murmured
MUMBLING
0.31% like murmured
MUMBLES
0.31% like murmured
WHISPERS
0.31% like murmured
WHISPERING
0.31% like murmured
MURMUROUS
0.31% like murmured
MUTTERS
0.31% like murmured
WHISPER
0.31% like murmured
WHISPERY
0.31% like murmured
SOFTLY
0.31% like murmured
MUTEDLY
0.31% like murmured
SUSURRATION
0.31% like murmured
SUSURRUS
0.31% like murmured
SILENTLY
0.31% like murmured
WHISPERINGLY
0.31% like murmured
QUIETLY
0.31% like murmured
MUMBLE
0.31% like murmured
INAUDIBLE
0.31% like murmured
MUFFLED
0.31% like murmured
INAUDIBLY
0.31% like murmured
SILENT
0.31% like murmured
MOANED
0.31% like murmured
SUBTLE
0.31% like murmured
HUSHED
0.31% like murmured
MOUTHED
0.31% like murmured
WHIMPERED
0.31% like murmured
MUMBLER
0.31% like murmured
WHISPERER
0.31% like murmured
QUIETENED
0.31% like murmured
QUIETEN
0.31% like murmured
UTTERED
0.31% like murmured
MUTELY
0.31% like murmured
SUBTLY
0.31% like murmured
QUIET
0.31% like murmured
SOFT SPOKEN
0.31% like murmured
QUIETED
0.31% like murmured
MYSTERIOUS
0.31% like murmured
SQUEAKED
0.31% like murmured
SOFTSPOKEN
0.31% like murmured
MUMBLY
0.31% like murmured
SOTTO VOCE
0.31% like murmured
TREMBLED
0.31% like murmured
SUBTLETY
0.31% like murmured
HISSED
0.31% like murmured
SHUSHED
0.31% like murmured
SILENCED
0.31% like murmured
SILENCE
0.31% like murmured
SILENTNESS
0.31% like murmured
HUMMED
0.31% like murmured
SECRET
0.31% like murmured
QUIETNESS
0.31% like murmured
STAGE WHISPER
0.31% like murmured
CHINESE WHISPERS
0.31% like murmured
INDISTINCTLY
0.31% like murmured
MONOSYLLABLE
0.31% like murmured
SLINKING
0.31% like murmured
MUTENESS
0.31% like murmured
DRAWLED
0.31% like murmured
SPOKEN
0.31% like murmured
QUIETING
0.31% like murmured
WHIMPER
0.31% like murmured
SHYLY
0.31% like murmured
BURBLED
0.31% like murmured
SIMPERED
0.31% like murmured
QUIETENS
0.31% like murmured
QUIETUDE
0.31% like murmured
MONOSYLLABLES
0.31% like murmured
SECRETLY
0.31% like murmured
HUMMING
0.31% like murmured
SMOLDERED
0.31% like murmured
TREMBLES
0.31% like murmured
SIGHED
0.31% like murmured
SUBTLETIES
0.31% like murmured
QUIETENING
0.31% like murmured
LILTING
0.31% like murmured
MOUTHING
0.31% like murmured
CURSIVELY
0.31% like murmured
INDISTINCT
0.31% like murmured
SQUEAKS
0.31% like murmured
SUBTILE
0.31% like murmured
IMPERCEPTIBLE
0.31% like murmured
GRUNTED
0.31% like murmured
INDIRECT
0.31% like murmured
SUBDUED
0.31% like murmured
MUTED
0.31% like murmured
HINTED
0.31% like murmured
UNSPOKEN
0.31% like murmured
SHIVERED
0.31% like murmured