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“Above board” likely grew from card playing, where keeping hands visible above the table suggested fairness and no hidden tricks.

Canon means a rule, standard, or accepted body of work. Cannon means a large gun. Here is how to choose the right word.

Spoonerism comes from Reverend William Spooner, a man famous for accidental sound swaps like “queer old dean.”

“Down in the dumps” has meant feeling low since the 1700s. The key is an older meaning of “dumps”: gloom or melancholy.

Both cactuses and cacti are accepted plurals of cactus. Here is why English allows both forms, with simple examples.