Gunk and Settlings

Gunk noun - Foul matter that mars the purity or cleanliness of something.

Settlings and gunk are semantically related In some cases you can use "Settlings" instead a noun "Gunk".

Settlings noun - Matter that settles to the bottom of a body of liquid.

Gunk and settlings are semantically related in solid residue from liquid solution topic. Sometimes you can use "Gunk" instead a noun "Settlings".