Follow-on and Spin-off

Follow-on noun - An immediate second innings forced on a cricket team scoring a prescribed number of runs fewer than its opponents in the first innings.

Spin-off and follow-on are semantically related. In some cases you can use "Spin-off" instead a noun phrase "Follow-on".

Spin-off noun - Something that naturally develops or is developed from something else.

Follow-on and spin-off are semantically related. Sometimes you can use "Follow-on" instead a noun phrase "Spin-off".