Appendage and Tag

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

Tag and appendage are semantically related in add-on topic. In some cases you can use "Tag" instead a noun "Appendage".

Nearby Words: append, appended, appending

Tag noun - A slip (as of paper or cloth) that is attached to something to identify or describe it.

Appendage and tag are semantically related in addition topic. Sometimes you can use "Appendage" instead a noun "Tag", if it concerns topics such as add-on.