It is true that one must have a good knowledge of vocabulary to speak efficiently, effectively and in an interesting way. But is dictionary the only way to improve the vocabulary? Not really! you just need to know how to play with the words you already know. Which is quite easy because the vocabulary of every language follows some common patterns. Which is what we are going to learn here; the patterns, the modifications, the origins and much more about the vocabulary of English words. Let’s begin!