In the article for the first time is represented the fund of homophones and homographs of Russian words, word forms, word-combinations and sentences. The author decided to publish materials that were gathered by him for ten years. In the beginning of the article are defined and described basic conceptions that are connected with the identity and differential correlation of units in written speech. In the conclusion of the article is discussed the possibility of use of the materials for determination the theoretical problems of interaction of written and oral speech and practical apply in communicative and linguodidacal activity.