Spare time and Time-out

Spare time noun - Time that is free from duties or responsibilities.

Time-out and spare time are semantically related. In some cases you can replace phrase "Time-out" with "Spare time", this phrases are similar.

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

Spare time and time-out are semantically related. Sometimes you can use "Spare time" instead a noun phrase "Time-out".