Athenticalness or Authenticalness: How To spell?

The word Athenticalness is misspelled against Authenticalness, a noun meaning "The quality of being authentic; authenticity."

Word begins with consecutive vowels 'AU' followed by alphabets 'thenticalness' is misspelled as 'A' as letter 'U' is phoneticall
Wrong Spelling:  a-thenticalness 
Correct Spelling:  au-thenticalness 
Find more wrongly spelled words of Authenticalness to spell it well.

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