Rainfund or Reinfund: How To spell?

The word Rainfund is misspelled against Reinfund, a verb meaning "To flow in anew."

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