Haydsail or Headsail: How To spell?

The word Haydsail is misspelled against Headsail, a noun meaning "Any sail set forward of the foremast."

Headsail has vowels 'ea' together mispronounced as 'ay'
Word contains consecutive vowels 'EA' in between alphabets h & dsail is misspelled as 'AY'
Wrong Spelling:  h-ay-dsail 
Correct Spelling:  h-ea-dsail 
Find more wrongly spelled words of Headsail to spell it well.

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