Rainsure or Reinsure: How To spell?

The word Rainsure is misspelled against Reinsure, a verb meaning "To insure again after a former insuranse has ceased; to renew insurance on."

Word contains consecutive vowels 'EI' in between alphabets r & nsure is misspelled as 'AI'
Wrong Spelling:  r-ai-nsure 
Correct Spelling:  r-ei-nsure 
Check more misspelled words of Reinsure to spell it correct.