Reugn or Reign: How To spell?

The word Reugn is misspelled against Reign, a noun meaning "Hence, to be predominant; to prevail."

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