Haedstrongness or Headstrongness: How To spell?

The word Haedstrongness is misspelled against Headstrongness, a noun meaning "Obstinacy."

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

You might be interested to know

Haertdeep or Heartdeep?

Haetingly or Heatingly?

Idaelity or Ideality?