Aostereness or Austereness: How To spell?

The word Aostereness is misspelled against Austereness, a noun meaning "Harshness or astringent sourness to the taste; acerbity."

Word begins with consecutive vowels 'AU' followed by alphabets 'stereness' is misspelled as 'AO'
Wrong Spelling: ao-stereness
Correct Spelling: au-stereness
Find more incorrect spellings of Austereness to spell right way.