Rake-off and Watershed

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

Watershed and rake-off are semantically related. In some cases you can use "Watershed" instead a noun phrase "Rake-off".

Watershed noun - A point in a chain of events at which an important change (as in one's fortunes) occurs.

Rake-off and watershed are semantically related. Sometimes you can use "Rake-off" instead a noun "Watershed".