Not to mention Nipples of Venus, which is probably a translation from Italian, originally.

The body part ear (http://www.bartleby.com/61/27/E0002700.html)
and the corn ear (http://www.bartleby.com/61/28/E0002800.html)
turn out not to be related. Just two different words that fell together,
cf. cleave (http://www.bartleby.com/61/89/C0398900.html)
and cleave (http://www.bartleby.com/61/90/C0399000.html)