Renless or Reinless: How To spell?

The word Renless 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 'E' as letter 'I' is phonetically ignored
Wrong Spelling:  r-e-nless 
Correct Spelling:  r-ei-nless 
Explore spell check of Reinless to spell without errors.