THEORETICAL FOUNDATIONS OF CONTACTOLOGY SALASY (Uzbek and Kazakh languages are examples)

This article deals with the issue of identifying language contact and its specific features, analyzing its historical roots and theoretical foundations, showing in factual examples which language areas Kazakh writers born and raised in the Republic of Uzbekistan used, determining the scope of Uzbek language elements in the works of Kazakh writers, and defining semantic groups of assimilated lexical units in the works of Kazakh writers