I need help for my project
A bit of superficial research would have me believe that the spoken language is generally equivalent, save for other races and nationalities that bring in their words.
However, the more reliable source here for an answer would likely be the lore forums,
https://forum-en.gw2archive.eu/forum/lore/lore
Thank you. I will take a look in the threat history to see if I can find anything there. If not I will make a thread there