Cheventaun or Cheventein: How To spell?

The word Cheventaun is misspelled against Cheventein, a noun meaning "A variant of Chieftain."

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