Onaudas or Oneidas: How To spell?

The word Onaudas is misspelled against Oneidas, a noun meaning "A tribe of Indians formerly inhabiting the region near Oneida Lake in the State of New York, and forming part of the Five Nations. Remnants of the tribe now live in New York, Canada, and Wisconsin."

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