It is more like an ability to recognize the word when it is used in context. I got ~1/3 that is very generous estimate even for "recall" case (recognize), and

It is more like an ability to recognize the word when it is used in context. I got ~1/3 that is very generous estimate even for "recall" case (recognize), and it obviously false for the "generate" case (using in speech) where I guess my vocabulary is likely ~1/90 of all English words.