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This is one of those things where formally, sure, there’s a difference, but I’ve never heard anyone use that first term. Everything’s a loanword. And these kinds of things are in many, if not all, languages, from my attempts at learning other languages.
There’s been only one real purpose of v6 that I’ve seen being the reason to switch: v4 running out of available addresses. Never seen anything else about v6 being used as any kind of reason to switch. So the only reason we’d ever go over to v6 is because we have to, not because we want to.