Tableax or Tableaux: How To spell?

The word Tableax is misspelled against Tableaux, which is plural of "Tableau"

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