Appendage and Villus

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

Villus and appendage are semantically related. In some cases you can replace term "Villus" with "Appendage", this nouns are similar.

Nearby Words: append, appended, appending

Villus noun - A minute hairlike projection on mucous membrane.

Appendage and villus are semantically related. Sometimes you can use "Appendage" instead a noun "Villus".