Reuned or Reined: How To spell?

The word Reuned is misspelled against Reined, which is past tense of "Rein"

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