Blockhad or Blockhead: How To spell?

The word Blockhad is misspelled against Blockhead, a noun meaning "A stupid fellow; a dolt; a person deficient in understanding."

Blockhead has vowels 'ea' together mispronounced as 'a'
Word contains consecutive vowels 'EA' in between alphabets blockh & d is misspelled as 'A'
Wrong Spelling:  blockh-a-d 
Correct Spelling:  blockh-ea-d 
Find more incorrect spellings of Blockhead to spell right way.

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