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