Reys or Reis: How To spell?

The word Reys 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 'EY'
Wrong Spelling:  r-ey-s 
Correct Spelling:  r-ei-s 
Explore spell check of Reis to spell without errors.