Ascerteuning or Ascertaining: How To spell?

The word Ascerteuning is misspelled against Ascertaining, which is present continuous of "Ascertain"

Word contains consecutive vowels 'AI' in between alphabets ascert & ning is misspelled as 'EU'
Wrong Spelling:  ascert-eu-ning 
Correct Spelling:  ascert-ai-ning 
Check more misspelled words of Ascertaining to spell it correct.

You might be interested to know

Beuling or Bailing?

Boneur or Bonair?

Certeun or Certain?