Appendage and Offshoot

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

Offshoot is a synonym for appendage in thing topic. In some cases you can use "Offshoot" instead a noun "Appendage".

Nearby Words: append, appended, appending

Offshoot noun - A branch of a main stem especially of a plant.

Appendage is a synonym for offshoot in development topic. You can use "Appendage" instead a noun "Offshoot", if it concerns topics such as subsidiary, by-product.