Well "okay" is English (American English?), but a lot of people and cultures seem to use it.
Jeni, I think that word is no.
There's two, ***** and ****.
A lot of computer-related words started in American and are therefore in English in most languages except French, where they insist on translating everything into a French-ba<x>sed word so as not to muddy their language with harsh American words.
Yes, sound is the same in any language
Only in translation, every language has a word for "no" and "yes"
Taxi would be the closest