Euling or Ailing: How To spell?

The word Euling is misspelled against Ailing, which is present continuous of "Ail"

Word begins with consecutive vowels 'AI' followed by alphabets 'ling' is misspelled as 'EU'
Wrong Spelling:  eu-ling 
Correct Spelling:  ai-ling 
Check more misspelled words of Ailing to spell it correct.

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