Dunderhed or Dunderhead: How To spell?

The word Dunderhed is misspelled against Dunderhead, a noun meaning "A dunce; a numskull; a blockhead."

Dunderhead has vowels 'ea' together mispronounced as 'e'
Word contains consecutive vowels 'EA' in between alphabets dunderh & d is misspelled as 'E'
Wrong Spelling:  dunderh-e-d 
Correct Spelling:  dunderh-ea-d 
Check more misspelled words of Dunderhead to spell it correct.

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