Guides

How Many Words Are in the English Language?

There's no exact count. The OED has over 500,000 entries, Merriam-Webster's Unabridged over 476,000, and a 20-year-old native speaker knows about 42,000.

What Is the Longest Word in English?

The longest word in major English dictionaries is the 45-letter pneumonoultramicroscopicsilicovolcanoconiosis. See how other famous long words compare.