Yes, there will be other languages (and translations) in Tethered.

Namely Russian and French - because, I like using other languages, and because they serve a purpose due to [spoilers] and [more spoilers].

And also because, historically, some Russians spoke French - because they viewed Russian as the language of the serf, not the nobility. So, I’ve always associated one language with the other. But, my Russian is far better than my French!