The word 'mortgage' comes from a French law term that means 'death pledge'.
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Shakespeare invented over 1,700 words that we use today.
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The equivalents of the English saying "That's Greek to me" are "This appears to be Spanish" (German), "This is Chinese to me" (Dutch), "It's German to me" (Philippines), "It's Hebrew" (Finnish), "It's Chinese to me" (Hebrew), "Sounds like Mars language/These are chicken intestines" (China).
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The dot over the letter 'i' is called a tittle.
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The phrase 'rule of thumb' is derived from and old English law which stated that you couldn't beat your wife with anything wider than your thumb.
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Switching letters is called spoonerism. For example, saying "jag of Flapan", instead of "flag of Japan".
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The only 15 letter word that can be spelled without repeating a letter is "uncopyrightable"!
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