Time-out and Time out

Time-out noun - A period of often involuntary inactivity or idleness.

Time out and time-out are semantically related In some cases you can use "Time out" instead a noun phrase "Time-out".

Time out noun - A pause from doing something (as work).

Time-out and time out are semantically related in break topic. Sometimes you can use "Time-out" instead a noun phrase "Time out", if it concerns topics such as interval, delay, pause, ending.