How many English words do you know?

Answer yes or no to a series of words. The test adapts to you and estimates the size of your vocabulary.

Be honest: some of the words are invented. Only say yes to words you truly know — the test notices.

Which is closest to the meaning of

English words, give or take

Share my result

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Tilia turns the books you read into flashcards for exactly the words you don't know yet. Grow this number with every page.

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