Rayncrease or Reincrease: How To spell?

The word Rayncrease is misspelled against Reincrease, a verb meaning "To increase again."

Word contains consecutive vowels 'EI' in between alphabets r & ncrease is misspelled as 'AY'
Wrong Spelling:  r-ay-ncrease 
Correct Spelling:  r-ei-ncrease 
Explore spell check of Reincrease to spell without errors.