Switching letters is called spoonerism. For example, saying "jag of Flapan", instead of "flag of Japan".
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The distress code 'Mayday' comes from the French for help me, M'Aide!
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Before the English speaking world was exposed to the fruit, the color orange was referred to as “geoluhread” which is Old English for red-yellow.
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Floccinaucinihilipilification, the declaration of an item being useless, is the longest non-medical term in the English language.
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"Dreamt" is the only English word that ends in the letters "mt"!
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Shakespeare invented over 1,700 words that we use today.
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