Do this free vocabulary test and find out how many words you know: http://my.vocabularysize.com/.
How many English words do you know? This vocabulary test from Ghent University’s Center for Reading Research only takes 4 minutes to complete and is fun to do (well, I enjoyed it!). You get your results at the end – and you’re helping scientific research at the same time.
Good luck if you give it a try!
How good is your vocabulary? Do the test to find out (link to: gameswithwords.org).