Associate and Add-on

Associate noun - A person frequently seen in the company of another.

Add-on and associate are semantically related. In some cases you can use "Add-on" instead a noun "Associate".

Nearby Words: association, associated, associative, associating

Add-on noun - Something that is not necessary in itself but adds to the convenience or performance of the main piece of equipment.

Associate and add-on are semantically related. Sometimes you can use "Associate" instead a noun phrase "Add-on".