Humming and Murmuration

Humming noun - The act of singing with closed lips.

Murmuration and humming are semantically related In some cases you can use "Murmuration" instead a noun "Humming".

Nearby Word: hummed

Murmuration noun - A low continuous indistinct sound; often accompanied by movement of the lips without the production of articulate speech.

Humming and murmuration are semantically related in low topic. Sometimes you can use "Humming" instead a noun "Murmuration", if it concerns topics such as murmur.