Debach or Debauch: How To spell?

The word Debach is misspelled against Debauch, a noun meaning "An act or occasion of debauchery."

Word contains consecutive vowels 'AU' in between alphabets deb & ch is misspelled as 'A' as letter 'U' is phonetically ignored
Wrong Spelling:  deb-a-ch 
Correct Spelling:  deb-au-ch 
Explore spell check of Debauch to spell without errors.

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