Cavdexes or Caudexes: How To spell?

The word Cavdexes is misspelled against Caudexes, which is plural of "Caudex"

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

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