Grounds and Slag

Grounds noun - Your basis for belief or disbelief; knowledge on which to base belief.

Slag and grounds are semantically related in residue topic. In some cases you can use "Slag" instead a noun "Grounds".

Slag noun - The scum formed by oxidation at the surface of molten metals.

Grounds and slag are semantically related in residue topic. You can use "Grounds" instead a noun "Slag".