Die away and Mellow out

Die away verb - Become less in amount or intensity.

Mellow out and die away are semantically related in let up topic. In some cases you can use "Mellow out" instead a verb "Die away".

Mellow out verb - To get rid of nervous tension or anxiety.

Die away and mellow out are semantically related in let up topic. Sometimes you can use "Die away" instead a verb "Mellow out".