The word "ja" means different things in other languages:
And, in Finnish, Estonian and Northern Sami
I, in Russian, Serbian, Croatian, Polish and Ukrainian
Yes, in Danish, Norwegian, Dutch, Afrikaans, German, Swedish, Slovene and Faroese
See you later or So... (as in "So, let´s get going"), in Japanese
Ah ben , ya pas de ja ni en espagnol ni en portuguais selon wiki
Mais y´en a un en allemand par contre 