Compartment and Rake-off

Compartment noun - One of the parts into which an enclosed space is divided.

Rake-off and compartment are semantically related In some cases you can use "Rake-off" instead a noun "Compartment".

Rake-off noun - A percentage (of winnings or loot or profit) taken by an operator or gangster.

Compartment and rake-off are semantically related in something produced from separating topic. Sometimes you can use "Compartment" instead a noun phrase "Rake-off".