Ascertaenable or Ascertainable: How To spell?

The word Ascertaenable is misspelled against Ascertainable, an adjective meaning "That may be ascertained."

Word contains consecutive vowels 'AI' in between alphabets ascert & nable is misspelled as 'AE'
Wrong Spelling:  ascert-ae-nable 
Correct Spelling:  ascert-ai-nable 
Explore spell check of Ascertainable to spell without errors.

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