Ascerten or Ascertain: How To spell?

The word Ascerten is misspelled against Ascertain, meaning "get to know"

Word contains consecutive vowels 'AI' in between alphabets ascert & n is misspelled as 'E'
Wrong Spelling:  ascert-e-n 
Correct Spelling:  ascert-ai-n 
Explore spell check of Ascertain to spell without errors.

You might be interested to know

Beler or Bailer?

Blen or Blain?

Captenry or Captainry?