Matches in movies

Wicked, Wicked Wicked, Wicked (1973)
The Duchess and the Dirtwater Fox The Duchess and the Dirtwater Fox (1976)
Duchess of Idaho Duchess of Idaho (1950)
The Duchess of Buffalo The Duchess of Buffalo (1926)
The Improper Duchess The Improper Duchess (1936)
Wicked as they Come Wicked as they Come (1956)