Athenticating or Authenticating: How To spell?

The word Athenticating is misspelled against Authenticating, which is present continuous of "Authenticate"

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

-->

You might be interested to know

Atogeneal or Autogeneal?

Axiliatory or Auxiliatory?

Gaspereao or Gaspereau?