Nog and Tent peg

Nog noun - A wooden block built into a masonry wall so that joinery structure can be nailed to it.

Tent peg and nog are semantically related. In some cases you can replace phrase "Tent peg" with "Nog", this terms are similar.

Tent peg noun - A peg driven into the ground to hold a rope supporting a tent.

Nog and tent peg are semantically related. You can use "Nog" instead a noun phrase "Tent peg".