Round 7 - Judge Requiem

...because both have been mistaken for Grantchester by George W Bush . -- Vitenka
...because neither are often talked about in the Underworld . -- qqzm
...because both can be used to catch fish . -- MoonShadow
...because neither are found in Europe . -- MikeJeggo
...because both are required for a healthy heart . -- Edith
...because neither are required for intergalactic travel . -- Bobacus