Heyrbreadth or Hairbreadth: How To spell?
The word Heyrbreadth is misspelled against Hairbreadth, an adjective meaning "Having the breadth of a hair; very narrow; as, a hairbreadth escape."
Word contains consecutive vowels 'AI' in between alphabets h & rbreadth is misspelled as 'EY'Wrong Spelling:  h-ey-rbreadth  Correct Spelling:  h-ai-rbreadth 
Explore spell check of Hairbreadth to spell without errors.