Reregn or Rereign: How To spell?

The word Reregn is misspelled against Rereign, a verb meaning "To reign again."

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