Interstapedial :: Interstapedial (a.) Pertaining to a part of the columella of the ear, between the stapes and the mediostapedial..
Interstapedial :: Interstapedial (n.) The interstapedial part of the columella.
Interstate :: Interstate (a.) Pertaining to the mutual relations of States; existing between, or including, different States; as, interstate commerce..