Receptacle and Wall socket

Receptacle noun - Something into which a liquid or smaller objects can be put for storage or transportation.

Wall socket and receptacle are semantically related In some cases you can use "Wall socket" instead a noun "Receptacle".

Wall socket noun - Receptacle providing a place in a wiring system where current can be taken to run electrical devices.

Receptacle and wall socket are semantically related in receptacle for wiring topic. You can use "Receptacle" instead a noun phrase "Wall socket".