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