Thickhayd or Thickhead: How To spell?
The word Thickhayd is misspelled against Thickhead, a noun meaning "A thick-headed or stupid person."
Thickhead has vowels 'ea' together mispronounced as 'ay'Word contains consecutive vowels 'EA' in between alphabets thickh & d is misspelled as 'AY'
Wrong Spelling:  thickh-ay-d  Correct Spelling:  thickh-ea-d 
Find more wrongly spelled words of Thickhead to spell it well.