Some English words and terms getting used in France sound quite different from the way we pronounce them in the US.
Brownies someone brought to a picnic were pronounced something like 'brunnies'. It took me a minute to realize what person was talking about.
In need of a WiFi (Why Fy) connection and wanting a quick reply, ask for Wee Fee or Oui Fee as they make it sound.
If you browse through potential connections near your location on your computer, phone or tablet and see Free WiFi as one of the choices, it does not mean free access. Free is the name of the service.
A few French indiosyncracies I encountered.
(* Photo of Game Workshop, 10, rue Hautefeuille in Paris 6eme, Quartier St Michel-Odeon, taken on Monday when it is closed as it is on Sunday)