That would be a way to get rid of German comments, sure. But it’s also another layer of hassle. Usually, the comments are just a few lines to explain weird behavior.
The naming problem is nearly unsolvable, though. Unless you want to map every concept to a random string, but that’s not feasible either.
Usually ~/devel/
On my work laptop I have separate subdirs for each project and basically try to mirror the Gitlab group/project structure because some fucktards like to split every project into 20 repos.