The word Mitraulleur is misspelled against Mitrailleur, a noun meaning "One who serves a mitrailleuse."
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Word contains consecutive vowels 'AI' in between alphabets mitr & lleur is misspelled as 'AU'
Wrong Spelling:  mitr-au-lleur 
Correct Spelling:  mitr-ai-lleur 
Check more misspelled words of Mitrailleur to spell it correct.