Mynsheet or Mainsheet: How To spell?

The word Mynsheet is misspelled against Mainsheet, a noun meaning "One of the ropes by which the mainsail is hauled aft and trimmed."

Word contains consecutive vowels 'AI' in between alphabets m & nsheet is misspelled as 'Y'
Wrong Spelling:  m-y-nsheet 
Correct Spelling:  m-ai-nsheet 
Explore spell check of Mainsheet to spell without errors.

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