English is a bit notorious for "allowing" a lot of creative play with words (like that old quote of "every word can be verbed").

Another thing that affects perceived formality is that "you" in English is both singular and plural and out-of-respect You.

If you've ever done any translation between English and a foreign language, you'd notice that the appetite for such gymnastics is much less. (I think that's part of why there are so many English loanwords in other languages too, but I have no data to back it up)