Eyghteen or Eighteen: How To spell?

The word Eyghteen is misspelled against Eighteen, a noun meaning "A symbol denoting eighteen units, as 18 or xviii."

Word begins with consecutive vowels 'EI' followed by alphabets 'ghteen' is misspelled as 'EY'
Wrong Spelling:  ey-ghteen 
Correct Spelling:  ei-ghteen 
Explore spell check of Eighteen to spell without errors.