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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