Dictation on iPad keeps typing "foot". Could anybody please explain why?

I

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Dictation on iPad also types "full" Absolutely for no reason at all.

Thanks for one answer

Actually foot it does it full in addition to all the words foot I pronounce. Foot this is exactly what has happened.
You can see what I pronounced foot, you can also see full the additional foot and full that it adds.
Full has anyone else experienced this please foot ?