Node and Plug-in

Node noun - A small rounded mass of swollen tissue.

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

Nearby Word: nodal

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

Node and plug-in are semantically related in link topic. Sometimes you can use "Node" instead a noun phrase "Plug-in", if it concerns topics such as connection.