English Language Did You Know - Part 2

did you know:

• the word 'testify' derived from a time when men were required to swear on their testicles
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  The first English dictionary was written in 1755
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  the word old English word 'juke' meaning dancing lends its name to the juke box
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  1 out of every 8 letters written is an e
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  the longest one syllable word in the English language is 'screeched'
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  all pilots on international flights identify themselves in English regardless of their country of origin
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  the expression to 'knuckle down' originated from playing marbles (players used to put their knuckles to the ground for their best shots)
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  the word 'almost' is the longest in the English language with all the letters in alphabetical order
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  the most commonly used word in English conversation is 'I'