Coalition and Plug in

Coalition noun - A group of people acting together within a larger group.

Plug in and coalition are semantically related In some cases you can replace term "Plug in" with "Coalition", this nouns are similar.

Plug in verb - Plug into an outlet.

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