Add-on and Extravagance

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

Extravagance and add-on are semantically related. In some cases you can use "Extravagance" instead a noun phrase "Add-on".

Extravagance noun - The quality or fact of being free or wasteful in the expenditure of money.

Add-on and extravagance are semantically related. Sometimes you can use "Add-on" instead a noun "Extravagance".

Nearby Words: extravagant, extravagancy