play 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?

Up next

play backward index mystery
The True Story of the Backward Index

 

These people needed a computer

play hanger-hangar-illustrations
Is It 'Hanger' or 'Hangar'?

 

How to remember which is which

play video soup vs soop
An Abbreviated History of American English Spelling

 

Soop, wimmen, and headake did not make the cut

play video ie vs eg
i.e. vs. e.g.

 

Often used, often confused. Here's some guidance and insight.

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.

play illustrated notebook that says everyday vs every day
'Everyday' vs. 'Every Day'

 

A simple trick to keep them separate

play video its vs its
Its vs. It's

 

Some practical guidance, and interesting history, about a common mistake.