Zaun or Zein: How To spell?

The word Zaun is misspelled against Zein, a noun meaning "A nitrogenous substance of the nature of gluten, obtained from the seeds of Indian corn (Zea) as a soft, yellowish, amorphous substance."

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