naval vs navel : Choose Your Words -

Washington Navel Orange Citrus Tree navel Using iodine on the navel of any newborn farm animal is an important management practice for the prevention of navel ill The navel of the newborn is navel navel (clinically known as the umbilicus, colloquially known as the navel Precursor

navel Old English nafela, of Germanic origin; related to Dutch navel and German Nabel, from an Indo-European root shared by Latin umbo 'boss of a shield', umbilicus '