Appendage and Empennage

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

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

Nearby Words: append, appended, appending

Empennage noun - The rear part of an aircraft.

Appendage and empennage are semantically related in part topic. Sometimes you can use "Appendage" instead a noun "Empennage", if it concerns topics such as tail.