Reuning or Reining: How To spell?

The word Reuning is misspelled against Reining, which is present continuous of "Rein"

Word contains consecutive vowels 'EI' in between alphabets r & ning is misspelled as 'EU'
Wrong Spelling:  r-eu-ning 
Correct Spelling:  r-ei-ning 
Check more misspelled words of Reining to spell it correct.