Appendage and Annex

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

Annex and appendage are semantically related in adjunct topic. In some cases you can use "Annex" instead a noun "Appendage", when it comes to topics like limb.

Nearby Words: append, appended, appending

Annex noun - A smaller structure added to a main building.

Appendage and annex are semantically related in adjunct topic. You can use "Appendage" instead a noun "Annex".

Nearby Words: annexation, annexed, annexing, annexe