Switching letters is called spoonerism. For example, saying "jag of Flapan", instead of "flag of Japan".
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Anuptaphobia is the fear of staying single.
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A group of pugs is called a grumble.
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Longest officially recognized place name is Taumatawhakatangihangakoauauotamateapokaiwhenuakitanatahu.
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"Stewardesses" is the longest word that is typed with only the left hand.
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