Unadable or Unaidable: How To spell?

The word Unadable is misspelled against Unaidable, an adjective meaning "Incapable of being aided."

Word contains consecutive vowels 'AI' in between alphabets un & dable is misspelled as 'A'
Wrong Spelling:  un-a-dable 
Correct Spelling:  un-ai-dable 
Explore spell check of Unaidable to spell without errors.

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