Sick-out and Sit-in

Sit-in and sick-out are semantically related. In some cases you can use "Sit-in" instead a noun phrase "Sick-out".

Sit-in noun - A form of civil disobedience in which demonstrators occupy seats and refuse to move.

Sick-out and sit-in are semantically related. You can use "Sick-out" instead a noun phrase "Sit-in".