Hadstrong or Headstrong: How To spell?

The word Hadstrong is misspelled against Headstrong, an adjective meaning "Directed by ungovernable will, or proceeding from obstinacy."

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

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