SpellingCorrectionList
SpellingCorrectionList["word"] gives a list of possible spelling corrections for "word".
Examples
Get spelling suggestions:
SpellingCorrectionList["teh"]
(* {"the", "tea", "ten"} *)Correct a misspelled word:
SpellingCorrectionList["progam"]
(* {"program"} *)Please visit the official Wolfram Language Reference for more details.