Factor and Plug-in

Factor noun - A person who acts or does business for another.

Plug-in and factor are semantically related In some cases you can use "Plug-in" instead a noun "Factor".

Nearby Words: fact, factoring, factory, factored, factorage

Plug-in noun - A printed circuit that can be inserted into expansion slots in a computer to increase the computer's capabilities.

Factor and plug-in are semantically related in part topic. You can use "Factor" instead a noun phrase "Plug-in", if it concerns topics such as element.