Poms call things "mountains" that would barely rate as hills here in NZ, with the UK's highest point being a slight bump about 6 inches above sea level, if I remember correctly.

Exactly. One of my colleagues said that he was off on a mountaineering course in Wales the other week and I asked if they'd imported some specially. Not well received but, hey, you have to try, don't you?

As for wood/woods I recognise both but we call forested areas "the bush" in the Zild too, and I don't think I would have ever used either of them when I was there.