Riemburser or Reimburser: How To spell?

The word Riemburser is misspelled against Reimburser, a noun meaning "One who reimburses."

Word contains consecutive vowels 'EI' in between alphabets r & mburser is misspelled as 'IE'
Wrong Spelling:  r-ie-mburser 
Correct Spelling:  r-ei-mburser 
Check more misspelled words of Reimburser to spell it correct.