The dialect spoken by the Oghuz, who have been present on the historical stage since the 6th century, began to take the form of a written language from the 11th century onwards. Eastern Turkish, on the other hand, is one of the written languages that developed separately from the common written language after the loss of political unity during the Karakhanid Period. This written language, known as "Nevâ’î tili", united Eastern Turkish for a long time and preserved itself. The Baburnama is a memoir written by Babur Shah (1431-1530), the founder of the Mughal Empire. In this memoir which belongs classic era of Eastern Turkish, Babur Shah candidly and openly recounts his struggles, losses, betrayals, and disappointments This article focuses on the Hyderabad manuscript of the Baburnama. Although Oghuz and Eastern Turkish, which developed from a common written language, have continued their development in different ways, they have had mutual influences on each other. In this article, the presence of phonetic and morphological features that researchers consider as Oghuz features in the Baburnama is tried to be determined. As a result of the analysis, it has been determined that the features evaluated as Oghuz characteristics by the researchers are found in Baburnama in a considerable amount compared to the classical period Eastern Turkish texts in general. One reason for this is that although the period and geography in which the Baburnama was written were distant from Oghuz's influence, Babur used a natural and sincere language appropriate to the genre in his memoir. Another reason is that he conveyed the language features of Oghuz-origin people mentioned in his memoir. As a result of the analysis, it has been determined that the features evaluated as Oghuz characteristics by the researchers are found in Baburnama in a considerable amount compared to the classical period Eastern Turkish texts in general. One reason for this is that although the period and geography in which the Baburnama was written were distant from Oghuz's influence, Babur used a natural and sincere language appropriate to the genre in his memoir. Another reason is that he conveyed the language features of Oghuz-origin people mentioned in his memoir.