When examining the words of a language, the list of words that contains the names of the organs, body parts, food and beverages the main agricultural tools and the animals closest to the human being, which are called as basic vocabulary, are the names, numbers and kinship relationships, concepts within the framework of material and spiritual culture are used. In this study, Sir Gerard Clauson drafted by the language of the old Turkish on words in the basic vocabulary list, Turkey Turkish and Kazakh changes in allophonic level of provisions in Turkish, was examined by leksikoistatis we method aims to reveal similarities and differences. In the determinations section, the percentages of the sound equivalents in the examples given in the development section are given and as a result the evaluation is made.

Turkey Turkish, Old Turkish, Kazakh Turkish, we Leksikoistatis, Vocabulary