Mixture and Shim

Mixture noun - A collection containing a variety of sorts of things.

Shim and mixture are semantically related In some cases you can use "Shim" instead a noun "Mixture".

Shim noun - A thin wedge of material (wood or metal or stone) for driving into crevices.

Mixture and shim are semantically related in contents topic. You can use "Mixture" instead a noun "Shim", if it concerns topics such as something that takes up.