Pen and Sheep pen

Pen noun - A place of confinement for persons held in lawful custody.

Sheep pen and pen are semantically related. In some cases you can replace phrase "Sheep pen" with "Pen", this terms are similar.

Nearby Word: penholder

Sheep pen noun - A pen for sheep.

Pen and sheep pen are semantically related. You can use "Pen" instead a noun phrase "Sheep pen".