Attaynableness or Attainableness: How To spell?

The word Attaynableness is misspelled against Attainableness, a noun meaning "The quality of being attainable; attainability."

Word contains consecutive vowels 'AI' in between alphabets att & nableness is misspelled as 'AY'
Wrong Spelling:  att-ay-nableness 
Correct Spelling:  att-ai-nableness 
Explore spell check of Attainableness to spell without errors.

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