I don't know if this is quite the same phenomenon, but when I attended the 2008 Lua workshop (in Washington, DC), my roommate was Brazilian, and when he needed

I don't know if this is quite the same phenomenon, but when I attended the 2008 Lua workshop (in Washington, DC), my roommate was Brazilian, and when he needed to refer to the blanket on my bed, the word he found was "mantle".