THE DIFFERENCE BETWEEN XVI

What's the difference between:

1. An usher and an inept surgeon?
2. An American Indian ceremony and an inaugural ball?
3. Travel and bull rings?
4. A large extended family and a citizen of Oz?

Answers:

1. One can show you to your seat and the other can sew you to your sheet. 
2. One is a rain dance and the other a reign dance.
3. One is going places and the other is goring places. 
4. Much kin and Munchkin