Murmurer
Part of speech: noun
Definition: One who murmurs
Mutterer
Part of speech: noun
Definition: One who mutters.
Murmurer as a noun is one who murmurs while Mutterer as a noun is one who mutters.
Part of speech: noun
Definition: One who murmurs
Part of speech: noun
Definition: One who mutters.
We hope you now know whether to use Murmurer or Mutterer in your sentence.