How Many Words Do You ACTUALLY Know?
The Rest Is Science
Jun 10, 2026 23:05
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Chapters
Most people use just a fraction of the words they understand. But how big is your vocabulary, really?
When a fan built a tool that claims to measure it, Hannah and Michael put themselves to the test.
If you'd like to try for yourself, follow the link and tell us what score you get in the comments: https://vocabowl-870366514258.us-west1.run.app/
Along the way they uncover forgotten words, obscure linguistic curiosities, and a surprising question hiding beneath the quiz itself: what does it mean to know a word?
After the break, they tackle your questions and answer a nuclear pizza problem, explain why humans can grow such remarkably long hair, and ask whether everyone has a voice inside their head.
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Video Editor: Adam Thornton
Animator: Sam Benson
Video & Social: Bex Tyrrell
Assistant Producer: Lucy Lipscombe
Producer: Simona Rata
Senior Producer: Lauren Armstrong-Carter
Head Of Digital: Samuel Oakley
Exec Producer: Neil Fearn
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