The lesson will tell you about the basic principles of the composition of Russian words. The lesson is very important for understanding other grammatical subjects. You will learn more about Russian prefixes, roots, suffixes, and endings.

Prefixes are groups of letters that come before words. In this lesson, you'll learn the most common Russian prefixes, so you can learn new words easier and faster because a lot of words have identical roots, but different prefixes and suffixes.

The root is the basic part of a word. A lot of Russian words have similar roots, to which other parts like prefixes, suffixes, and endings are added. In this lesson, you'll learn more about the root of words and learn to identify them in words.

Suffixes are a group of letters that are added to the root of a word. In this lesson you'll learn the most common Russian suffixes, so you could better understand the properties of objects or attitude to something and emotional background as a whole.

Endings are a group of letters that come at the end of a word. In this lesson, you'll learn the most common types of endings. You'll also learn to distinguish nouns, adjectives, verbs, and other parts of the speech by their endings.