Heydway or Headway: How To spell?

The word Heydway is misspelled against Headway, a noun meaning "Clear space under an arch, girder, and the like, sufficient to allow of easy passing underneath."

--> Headway has vowels 'ea' together mispronounced as 'ey'
Word contains consecutive vowels 'EA' in between alphabets h & dway is misspelled as 'EY'
Wrong Spelling:  h-ey-dway 
Correct Spelling:  h-ea-dway 
Explore spell check of Headway to spell without errors.

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