Mitraileur or Mitrailleur: How To spell?
The word Mitraileur is misspelled against Mitrailleur, a noun meaning "One who serves a mitrailleuse."
Mitrailleur has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings mitrai & eur which should not be misspelled with single 'L'
Wrong Spelling:  mitrai-l-eur  Correct Spelling:  mitrai-ll-eur 
Check more misspelled words of Mitrailleur to spell it correct.