Frolness or Frailness: How To spell?

The word Frolness is misspelled against Frailness, a noun meaning "Frailty."

Word contains consecutive vowels 'AI' in between alphabets fr & lness is misspelled as 'O'
Wrong Spelling:  fr-o-lness 
Correct Spelling:  fr-ai-lness 
Find more incorrect spellings of Frailness to spell right way.

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