Darbas anglų kalba. Leksikologija. The morpheme. The word vs morpheme. Morphemic analysis of word. Derivational analysis of word. Affixation. Derivational valency and patterns. Derivational affixes, their classification; semiaffixes. Morphological properties of the base. Derivational structure of the base. Semantic properties of the base. Affixes. Prefixes. Composition; criteria and classification of compounds. Compound derivatives, patterns and criteria. Conversion. Adjectivization. Substantivization. Shortening of words. The theory of word meaning. Types of word meaning. Polysemy. Change of meaning. Componential and contextual analyses. Synonymy. Antonymy. Homonymy. Phraseology. Varieties of English. The etymological structure of the English vocabulary. The theory of the word.