Canadian vocabulary is pretty much the same as American, we say “gas”, not “petrol”, and use “I guess” instead of “I suppose”, but there are still some spelling

Canadian vocabulary is pretty much the same as American, we say “gas”, not “petrol”, and use “I guess” instead of “I suppose”, but there are still some spelling holdouts, like “centre”, “theatre”, “colour” etc. But spelling of the “tire”, for example, is American, not British.