Tirelleur or Tirailleur: How To spell?

The word Tirelleur is misspelled against Tirailleur, a noun meaning "Formerly, a member of an independent body of marksmen in the French army. They were used sometimes in front of the army to annoy the enemy, sometimes in the rear to check his pursuit. The term is now applied to all troops acting as skirmishers."

Word contains consecutive vowels 'AI' in between alphabets tir & lleur is misspelled as 'E'
Wrong Spelling:  tir-e-lleur 
Correct Spelling:  tir-ai-lleur 
Check more misspelled words of Tirailleur to spell it correct.

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