Achauan or Achaian: How To spell?

The word Achauan is misspelled against Achaian, a noun meaning "A native of Achaia; a Greek."

Word contains consecutive vowels 'AI' in between alphabets ach & an is misspelled as 'AU'
Wrong Spelling: ach-au-an
Correct Spelling: ach-ai-an
Check more misspelled words of Achaian to spell it correct.