Rapes, Crepes, capes, napes
stapes
I'm guessing that the stapes vibrate against the cochlea. :)
The stapes or stirrup is the small bone in the middle ear.
The stapedius muscle is attached to the stapes. It is the smallest striated muscle in the human body.
STAPES
Immobility of the footplate of the stapes is called otosclerosis. It is a condition where abnormal bone growth in the middle ear causes the stapes bone to become fixed or immobile, leading to hearing loss. Treatment options can include surgery to replace the stapes bone or hearing aids.
Stapes
I am not sure what the purpose of the stapes are but i know that they are one of the innermost smaller bones in our body and they are shaped somewhat like a stirrup.
Neither just know that they are both smaller than your penis
stapes ligament
Ear.
Stapedius