There's already a term, and we (the UK) uses it: https://en.wikipedia.org/wiki/Upper_house https://en.wikipedia.org/wiki/Upper_house Edit: And the Commons is c

There's already a term, and we (the UK) uses it: https://en.wikipedia.org/wiki/Upper_house https://en.wikipedia.org/wiki/Upper_house Edit: And the Commons is called the Lower House<https://en.wikipedia.org/wiki/Lower_house> https://en.wikipedia.org/wiki/Lower_house>. In a parliamentary system, the lower house actually has more power.