The word Blockhayded is misspelled against Blockheaded, an adjective meaning "Stupid; dull."
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Blockheaded has vowels 'ea' together mispronounced as 'ay'
Word contains consecutive vowels 'EA' in between alphabets blockh & ded is misspelled as 'AY'
Wrong Spelling:  blockh-ay-ded 
Correct Spelling:  blockh-ea-ded 
Find more incorrect spellings of Blockheaded to spell right way.