Travaoling or Travailing: How To spell?

The word Travaoling is misspelled against Travailing, which is present continuous of "Travail"

Word contains consecutive vowels 'AI' in between alphabets trav & ling is misspelled as 'AO'
Wrong Spelling:  trav-ao-ling 
Correct Spelling:  trav-ai-ling 
Find more incorrect spellings of Travailing to spell right way.

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