Cuponize or Cauponize: How To spell?

The word Cuponize is misspelled against Cauponize, a verb meaning "To sell wine or victuals."

Word contains consecutive vowels 'AU' in between alphabets c & ponize is misspelled as 'U' as letter 'A' is phonetically ignore
Wrong Spelling:  c-u-ponize 
Correct Spelling:  c-au-ponize 
Check more misspelled words of Cauponize to spell it correct.

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