ear-sore1
/ˈɪəsɔː/noun
Something disagreeable to the ear; a very unpleasant noise.
Origin
Late 16th century; earliest use found in Richard Carew (1555–1620), antiquary and poet. From ear + sore, probably after eyesore.
ear-sore2
/ˈɪəsɔː/rare
adjective
Having sore or deafened ears. Formerly also: deafening, cacophonous.
Origin
Mid 19th century; earliest use found in Allen's Indian Mail. From ear + sore.