Precavtionary or Precautionary: How To spell?

The word Precavtionary is misspelled against Precautionary, an adjective meaning "pertaining to precaution, precautions; as, precautionary signals."

Word contains consecutive vowels 'AU' in between alphabets prec & tionary is misspelled as 'AV'
Wrong Spelling:  prec-av-tionary 
Correct Spelling:  prec-au-tionary 
Find more incorrect spellings of Precautionary to spell right way.

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