वे शब्द जिन्हें हम सुनते और पढ़ते समय पहचान लेते हैं, लेकिन बोलते या लिखते समय अक्सर उनका उपयोग नहीं कर पाते हैं, कहलाते हैं:

What is productive vocabulary?

Arvind recognizes some words when he listens and reads, but he is not able to use them in his own speech or writing. What are these words known as?

Which of the following best describes 'Active Vocabulary' in language learning?