First and foremost they have a different accent.
Yes, they do say vwa instead of wè, ake instead of avèk, avè or ak, kanistè instead of manmit, and “i” instead of “li”, and pray instead of pral
Other different terms they use (that I can tnk of):.
They might say kòk instead of kokoye
They say kawo, we say fè (fèarepase);
They say kinan for possessive
they say twade we say wayal
They say kwoke when talking about sexual intercourse
They say dite we say te
They usually say fèrenk instead of fèk
They will say “y” when using the contracted third person object pronoun “l”.
They might also say chapitè when talking about yon oungan