stirrup vs auditory ossicle

stirrup and auditory ossicle both are nouns.

Word	Noun	Adjective	Verb	Adverb
stirrup	Yes	No	No	No
auditory ossicle	Yes	No	No	No

As nouns, auditory ossicle is a hypernym of stirrup; that is, auditory ossicle is a word with a broader meaning than stirrup:

stirrup: the stirrup-shaped ossicle that transmits sound from the incus to the cochlea
auditory ossicle: ossicles of the middle ear that transmit acoustic vibrations from the eardrum to the inner ear

stirrup (noun)	auditory ossicle (noun)
support consisting of metal loops into which rider's feet go	ossicles of the middle ear that transmit acoustic vibrations from the eardrum to the inner ear
the stirrup-shaped ossicle that transmits sound from the incus to the cochlea