I am having trouble understanding your point here. While cool info I think you might've misunderstood the assignment?

お疲れ様

Thank you for the effort? You look tired, must've been a hard day?

This is the best example you have in your comment.

Keigo modifiers

Every language has more and less polite/formal ways to ask about something. "Where do you live" is less polite/formal than "where do you reside".

Kansai dialect

I am not sure if dialects are words or concepts that dont translate well. The examples you used are more idiomatic rather than unique.