Does anyone know any film titles that are repeated words eg Reuben Reuben, Liar Liar etc?

Tora! Tora! Tora!

Here's an oldie for you: 'The Russians are Coming! The Russians are Coming!'

Not quite what you're looking for is:

It's a mad, mad, mad, mad world.

New York, New York with DeNiro and Minnelli

Corrina, Corrina is another one.

Author! Author! (1915), (1982)

1)Aku Aku. 2)Alfredo, Alfredo (Dustin Hoffman).
3)America America (a Greek boy struggles to reach America).
4)Author, Author. 5)Boeing, Boeing (Tony Curtis and Jerry Lewis).
6)Breaker! Breaker! 7)Buddy, Buddy (Jack Lemmon).
8)Can-Can. 9)Chicago, Chicago. 10)Chitty Chitty Bang Bang.
11)Corrina, Corrina (Whoopie Goldberg). 12)Die Die Die. 13)Donna Donna.
14)Durian Durian. 15)Europa, Europa. 16)Gaily, Gaily. 17)Georgia, Georgia.
18)Girls! Girls! Girls!(Elvis). 19)Glory! Glory! 20)Grendel, Grendel, Grendel. 21)Jamon, Jamon. 22)Je T'Aime, Je T'Aime. 23)Kill! Kill! Kill!
24)Ladybug, Ladybug. 25)Marry Me, Marry Me. 26)Mary, Mary (Debbie Reynolds). 27)Mirror, Mirror. 28)Movie Movie (two movies, really! George C Scott).
29)My Son, My Son! 30)New York, New York. 31)Niagara, Niagara.
32)Olivier, Olivier (a 9 year old boy disappears, then 6 years later...by the director of Europa, Europa).
33)Party, Party. 34)Peter, Peter. 35)Promises! Promises!
36)Rachel, Rachel (Joanne Woodward). 37)Rimini Rimini. 38)Rock! Rock! Rock! 39)The Russians Are Coming! The Russians Are Coming! 40)Shame, Shame, Shame. 41)Shock! Shock! Shock! 42)Sister, Sister (Diahann Carroll).
43)Tick Tick Tick. 44)Tiki, Tiki. 45)Tora! Tora! Tora!
46)Tramp, Tramp, Tramp (Jackie Gleason). 46)Venice/Venice. 47)Yi Yi.
48)Yom Yom. 49)Xiu Xiu. 50)Zou-Zou

Missed a few
51)Ladybird, Ladybird (Crissy Rock). 52)Money Money Money (Jacques Brel)
53)Nineteen Nineteen (Paul Scofield). 54)Runaway, Runaway (Tom Baker).
55)Singapore, Singapore. 56)Sotto, Sotto. 57)Wicked, Wicked.

Kramer Vs Kramer

duran duran

Chitty Chitty Bang Bang

Does 'THE' Good, 'THE' Bad and 'THE' Ugly count?