Fee and Rake-off

Fee noun - The amount of money that is demanded as payment for something.

Rake-off and fee are semantically related in charge for service or privilege topic. In some cases you can use "Rake-off" instead a noun "Fee".

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

Fee and rake-off are semantically related in share of a profit topic. You can use "Fee" instead a noun phrase "Rake-off".