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backward index mystery
Words Matter

The True Story of the Backward Index

These people needed a computer

There it sits, hidden in plain view on a set of shelves in the basement of the Merriam-Webster offices: the Backward Index. But why would anyone type out 315,000 words spelled in reverse?

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The True Story of the Backward Index

 

These people needed a computer

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How Do You Pronounce 'Vase'?

 

And is one way more correct than the others?

play merriam-webster eggcorns title page
What Is an Eggcorn?

 

And how did it get that name?

play video how a word gets into the dicionary
How a Word Gets into the Dictionary

 

What our editors are looking for when they enter words in Merriam-Webster.

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How Do You Pronounce 'Groceries'?

 

Is there one standard way?

play video affect vs effect
Affect vs. Effect

 

Here's the lowdown on what may be the most confusing pair of words in the English language.

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Why did Yankee Doodle call a feather 'macaroni'?

 

What's with his feathered cap?

Games & Quizzes

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Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
The Missing Letter A daily crossword with a twist
white rubber duck stands out in a row of yellow ducks
Odd Word Out: Synonyms Quiz Figure out which word isn't like the others.
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