Pilau or Pilei: How To spell?

The word Pilau is misspelled against Pilei, which is plural of "Pileus"

Word ends with consecutive vowels 'EI' preceded by alphabets 'pil' is misspelled as 'AU'
Wrong Spelling:  pil-au 
Correct Spelling:  pil-ei 
Check more misspelled words of Pilei to spell it correct.