Appendage and Rider

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

Rider and appendage are semantically related. In some cases you can use "Rider" instead a noun "Appendage".

Nearby Words: append, appended, appending

Rider noun - A traveler who actively rides an animal (as a horse or camel).

Appendage and rider are semantically related. Sometimes you can use "Appendage" instead a noun "Rider".

Nearby Words: ride, riding, riderless, ridable