Tacad or Tacaud: How To spell?

The word Tacad is misspelled against Tacaud, a noun meaning "The bib, or whiting pout."

Word contains consecutive vowels 'AU' in between alphabets tac & d is misspelled as 'A' as letter 'U' is phonetically ignored
Wrong Spelling:  tac-a-d 
Correct Spelling:  tac-au-d 
Browse incorrect spellings of Tacaud to spell it good.

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