Traveuled or Travailed: How To spell?

The word Traveuled is misspelled against Travailed, which is past tense of "Travail"

Word contains consecutive vowels 'AI' in between alphabets trav & led is misspelled as 'EU'
Wrong Spelling:  trav-eu-led 
Correct Spelling:  trav-ai-led 
Check more misspelled words of Travailed to spell it correct.

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