Hookup and Plug in

Hookup noun - The state of having shared interests or efforts (as in social or business matters).

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

Nearby Word: hook

Plug in verb - Plug into an outlet.

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