Avstereness or Austereness: How To spell?

The word Avstereness 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 'AV'
Wrong Spelling: av-stereness
Correct Spelling: au-stereness
Explore spell check of Austereness to spell without errors.