Cavsed or Caused: How To spell?

The word Cavsed is misspelled against Caused, which is past tense of "Cause"

Word contains consecutive vowels 'AU' in between alphabets c & sed is misspelled as 'AV'
Wrong Spelling:  c-av-sed 
Correct Spelling:  c-au-sed 
Explore spell check of Caused to spell without errors.

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