Eustachian tube, advertence, advertency, alertness, anvil, assiduity, assiduousness, attention, attention span, attentiveness, audibility, audience, audition, auditory apparatus, auditory canal, auditory meatus, auditory nerve, auditory ossicles, auditory tube, aural examination, aural sense, auricle, auscultation, awareness, basilar membrane, bilge, blain, bleb, blister, blob, bony labyrinth, boss, bow, bubble, bugging, bulb, bulge, bulla, bump, bunch, burl, button, cahot, care, cauliflower ear, chine, clump, cob, cochlea, concentration, conch, concha, condyle, conference, consciousness, consideration, convex, corncob, diligence, dowel, drumhead, eager attention, ear lobe, ear of corn, eardrum, earnestness, eavesdropping, electronic surveillance, endolymph, examination by ear, external ear, favorable attention, flange, flap, gall, gnarl, hammer, handle, hearing, heed, heedfulness, heeding, hill, hump, hunch, hushed attention, incus, inner ear, intentiveness, intentness, interview, jog, joggle, knob, knot, knur, knurl, lip, listening, listening in, lobe, lobule, loop, lug, lump, malleus, mark, mastoid process, mealie, middle ear, mind, mindfulness, mole, mountain, nevus, note, notice, nub, nubbin, nubble, observance, observation, organ of Corti, outer ear, oval window, papilloma, peg, perilymph, pinna, rapt attention, regard, regardfulness, remark, respect, rib, ridge, ring, round window, secondary eardrum, semicircular canals, sense of hearing, shell, shoulder, spike, spine, stapes, stirrup, stud, style, tab, thought, tryout, tubercle, tubercule, tympanic cavity, tympanic membrane, tympanum, verruca, vesicle, vestibule, wale, wart, welt, wiretapping