Differences in pronunciation between Middle French and Modern Standard French:
Word final “e” [e] > [ә] > zero for Modern Standard French
“oi” [oi] Old French > [wɛ] Middle French) > [wa] for Modern Standard French
“ch” Palatal cluster > [tʃ] for Middle French > [ʃ] for Modern Standard French
“ll” [ʎ] Old French > [j], [l] for Modern Standard French