Low and Murmuration

Low noun - A low level or position or degree.

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

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

Low and murmuration are semantically related. Sometimes you can use "Low" instead a noun "Murmuration".