Device and Pair of tongs

Device noun - A clever often underhanded means to achieve an end.

Pair of tongs and device are semantically related. In some cases you can replace phrase "Pair of tongs" with "Device", this terms are similar.

Pair of tongs noun - Any of various devices for taking hold of objects; usually have two hinged legs with handles above and pointed hooks below.

Device and pair of tongs are semantically related. You can use "Device" instead a noun phrase "Pair of tongs".