Ris or Reis: How To spell?

The word Ris is misspelled against Reis, a noun meaning "A common title in the East for a person in authority, especially the captain of a ship."

Word contains consecutive vowels 'EI' in between alphabets r & s is misspelled as 'I' as letter 'E' is phonetically ignored
Wrong Spelling:  r-i-s 
Correct Spelling:  r-ei-s 
Find more wrongly spelled words of Reis to spell it well.