Knowing 10,000 words passively will not help you with speaking. Instead focus on learning the first 2,000 words deeply. Learning vocabulary by memorizing the definition in your native language is an inefficient way to learn words. Rather, reading is the best way to increase your vocabulary. Learn words by seeing the word in a sentence. The main reason students find it difficult to understand science is because of all the hard to write, spell and read words. Actually, scientific vocabulary is a hodge podge of little words that are linked together to have different meanings. If you learn the meanings of the little words, you'll find scientific vocabulary much easier to understand. The vocabulary of the Quran. Qamus alfaz al-quran al Karim is a valuable asset for the scholars of the holy Quran. It meets a long felt need and fills the lacuna in this field. It is at once a dictionary of the words of the Quran and also a grammatical guide to their roots. It treats the words in their various verbal forms. The same goes when learning Arabic. If you are learning Arabic to understand the Quran, you need to start with words in the Quran. Putting the words of the Quran into a frequency list, yields some amazing results. For instance, we find that just 70 words make up about 50% percent of the Quran. List of ups distribution centers.