Ўзбекистон республикаси олий ва ўрта махсус таълим вазирлиги ўзбекистон давлат жаҳон тиллари университети инглиз тили назарий аспектлари №1

Historical Lexicology deals with the evolution of the vocabulary units of a language as time goes by.
Contrastive and Comparative Lexicology deal with the study of the correlation between the vocabularies of two or more languages, finding out the correspondences and differences between the vocabulary units of the languages under comparison.
Morphology is the branch of Lexicology studying the structure of a word, types of morphemes and stems.
Semasiology is the branch of Lexicology that is devoted to the study of meaning of lexical
units.
Phraseology is the branch of Lexicology specializing in the phraseological subsystem of
language and is concerned with all types of set expressions.
Lexicography is the science of dictionary-compiling dealing with the problems of the presentation of the number, forms, meaning, usage and origin of vocabulary units.
Etymology is the science studying the origin of the words, native and borrowed lexical units, ways of the assimilation of borrowed words, external replenishment of the vocabulary.