Switching letters is called spoonerism. For example, saying "jag of Flapan", instead of "flag of Japan".
2
"Goodbye" came from "God bye" which came from "God be with you."
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Iceland has been so culturally isolated through history since the Vikings, that compared to other Scandinavian counties, people who speak Icelandic can still read the old Norsk sagas.
4
Pokémon is Japanese for Pocket Monsters and Chinpokomon (the South Park parody) is Japanese for Penis Monsters.
5
The word 'mortgage' comes from a French law term that means 'death pledge'.
14
In Denmark, "Fart-kontrol" means "Speed check".
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