To me is does not matter where you saw omega or if you take the small or capital or cursive letter, the Greek word for egg is still 'ón'. 
correction: my previous posting should have said:
But it is clear that Omega is NOT a Latin letter, that's why I looked at it from the Greek perspective which makes more sense.
correction: my previous posting should have said:
But it is clear that Omega is NOT a Latin letter, that's why I looked at it from the Greek perspective which makes more sense.