Reunless or Reinless: How To spell?

The word Reunless is misspelled against Reinless, an adjective meaning "Not having, or not governed by, reins; hence, not checked or restrained."

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