Rens or Reins: How To spell?

The word Rens is misspelled against Reins, a noun meaning "The inward impulses; the affections and passions; -- so called because formerly supposed to have their seat in the part of the body where the kidneys are."

Word contains consecutive vowels 'EI' in between alphabets r & ns is misspelled as 'E' as letter 'I' is phonetically ignored
Wrong Spelling:  r-e-ns 
Correct Spelling:  r-ei-ns 
Explore spell check of Reins to spell without errors.