undoubt

Has the same meaning as Doubn't.

I undoubt in him! He can do it!

undoubtably

Moron's equivalent for undoubtedly. Coined by Simon Cowell and used by him on a weekly basis on xfactor.

Louis: You made it your own, you have the likeability factor, you remind me of a young Chesney Hawkes.

Simon: That was undoubtably the greatest performance of "you Raise Me Up" since Westlife. You gave it 100 million percent.

Undoubtably

George W. Bush undoubtedly used this word at least once in his life.

Georgy boy: America is undoubtably united

Insert laugh track

Georgie bud: Why must everybody laughing