ear canal

noun 0.583

foramen

noun 0.569

meatotomy

noun 0.568

passageway

noun 0.558

meander

noun 0.555

airway

noun 0.546

aditus

noun 0.543

canal

noun 0.526

internal auditory canal

noun 0.524

mortise

noun 0.522

ureter

noun 0.515

naris

noun 0.514

nostril

noun 0.512

sinus

noun 0.511

nasal cavity

noun 0.510

orifice

noun 0.509

nare

noun 0.507

sulcus

noun 0.507

canaliculus

noun 0.502

stoma

noun 0.501

watercourse

noun 0.501

tunnel

noun 0.501

middle ear

noun 0.501

air hole

noun 0.500