The word Thickhaud is misspelled against Thickhead, a noun meaning "A thick-headed or stupid person."
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Thickhead has vowels 'ea' together mispronounced as 'au'
Word contains consecutive vowels 'EA' in between alphabets thickh & d is misspelled as 'AU'
Wrong Spelling:  thickh-au-d 
Correct Spelling:  thickh-ea-d 
Check more misspelled words of Thickhead to spell it correct.