Ascertuning or Ascertaining: How To spell?
The word Ascertuning is misspelled against Ascertaining, which is present continuous of "Ascertain"
Word contains consecutive vowels 'AI' in between alphabets ascert & ning is misspelled as 'U'Wrong Spelling:  ascert-u-ning  Correct Spelling:  ascert-ai-ning 
Check more misspelled words of Ascertaining to spell it correct.