This book is a practical tool for developing skills in increasing the vocabulary of the English language. It is a kind of etymological dictionary of widespread words with a number of tests to consolidate the material. The book presents several ways to make it easier to memorize new words: working with a dictionary, morphological analysis of words, acquaintance with a number of interesting historical facts, analysis of borrowings from other languages, ways to memorize words when reading and oral communication. Mastering the methodology of memorizing new words will allow students to memorize them faster and more efficiently and in the future use this new vocabulary in business and friendly contacts, in the development of their horizons, in preparation for passing international entrance exams to higher educational institutions and studying in them.