Chapter I. Language analysis in cognitive linguistics

CHAPTER II WORD FORMATION AND ITS ROLE IN COGNITION
2.1. General overview of word formation in English
Word formation is the system of derivative types of words and the process of creating new words from the material available in the language after certain structural and semantic formulas and patterns. For instance, the noun driver is formed after the pattern v+-er, i.e. a verbal stem + the noun-forming suffix -er. The meaning of the derived noun driver is related to the meaning of the stem drive- ‘to direct the course of a vehicle’ and the suffix -er meaning ‘an active agent’: a driver is ‘one who drives’ (a carriage, motorcar, railway engine, etc.). Likewise compounds resulting from two or more stems joined together to form a new word are also built on quite definite structural and semantic patterns and formulas, for instance adjectives of the snow-white type are built according to the formula п+а, etc. It can easily be observed that the meaning of the whole compound is also related to the meanings of the component parts. The structural patterns with the semantic relations they signal give rise to regular new creations of derivatives, e.g. sleeper, giver, smiler or soat-blасk, tax-free, etc.
In the present research we proceed from the understanding of Word formation and classification of word formation types as found in R.S. Ginzburg`s book on Modern English Lexicology.

Productive ways of word formation	Non-productive ways of word formation
affixation	sound interchange
conversion	stress interchange
word-composition	sound imitation
abbreviation	blends
	back formation

In the course of time the productivity of this or that way of word-formation may change. Sound interchange or gradation (blood-to bleed, to abide-abode, to strike-stroke) was a productive way of word building in old English and is important for a diachronic study of the English language. It has lost its productivity in Modern English and no new word can be coined by means of sound gradation. Affixation on the contrary was productive in Old English and is still one of the most productive ways of word building in Modern English.

Affixation is one of the most productive ways of word-building throughout the history of English. It consists in adding an affix to the stem of a definite part of speech. Affixation is divided into suffixation and prefixation.
Suffixation. The main function of suffixes in Modern English is to form one part of speech from another, the secondary function is to change the lexical meaning of the same part of speech. (e.g. «educate» is a verb, «educator» is a noun, and music» is a noun, «musical» is also a noun or an adjective).