Rauter or Reiter: How To spell?

The word Rauter is misspelled against Reiter, a noun meaning "A German cavalry soldier of the fourteenth and fifteenth centuries."

Word contains consecutive vowels 'EI' in between alphabets r & ter is misspelled as 'AU'
Wrong Spelling:  r-au-ter 
Correct Spelling:  r-ei-ter 
Check more misspelled words of Reiter to spell it correct.