@izzythepush,
In French it's Salle de Bain, no? Et Toilet aussi..
I dunno, language is funny. You grow up hearing something and you don't think about all that often. But when you do, you realize the goofiness in it and carry on.
I'd call it both a washroom or toilet. A bathroom is at home. All are pretty interchangeable though, for many people in W. Canada..
I never say restroom.
While were on the topic, how did a loo come to be called a loo?