I had to look this up, because I had never heard that they had different roots. It appears they both have the same origin. The American pronunciation with the dropped r is just a more recent dialect split.

Smeagol:Gollum :: Beavis:Cornholio

It's more like RFK is saying that fire prevention causes autism.

Yes. Heaven forbid I am forced to downsize my yacht armada so that the poors may have a decent leg up.