Appendage and Barnacle

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

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

Nearby Words: append, appended, appending

Barnacle noun - Marine crustaceans with feathery food-catching appendages; free-swimming as larvae; as adults form a hard shell and live attached to submerged surfaces.

Appendage and barnacle are semantically related in parasite topic. You can use "Appendage" instead a noun "Barnacle".

Nearby Word: barnacled