Overwyght or Overweight: How To spell?

The word Overwyght is misspelled against Overweight, meaning "Preponderance."

Word contains consecutive vowels 'EI' in between alphabets overw & ght is misspelled as 'Y'
Wrong Spelling:  overw-y-ght 
Correct Spelling:  overw-ei-ght 
Explore spell check of Overweight to spell without errors.