In this study, which was built on the vocabulary in academic discourse, it was aimed to determine and statistically analyze the high frequency of words in academic discourse in Turkish social sciences and science; according to their number and frequency as general service words, academic words, terms and functional words. The data of the study were obtained from two corpora of 4,458,049 token in the field of social sciences and 4,121,437 token in the field of science, using the "Sketch Engine" program. The corpora consist of research articles, university textbooks and university lectures that are open access on YouTube, published between 2015-2021. Microsoft Azure program was used to decipher the oral corpus in social sciences and science. In the study, in which proper nouns were excluded, 1833 token in social sciences and 1954 token in science were classified as general service words, academic words, terms and functional words. In the present study, the number and frequency averages of academic words, general service words, terms and functional words in the fields of social sciences and science in their own fields were analyzed by the Single Sample Chi-Square Test; the number and frequency averages between social sciences and science were analyzed with the Chi-Square Test of Independence. Based on the results of the study, it was determined that general service words, academic words, terms and functional words, which are among the words with high frequency in both social sciences and science, differ in terms of number and frequency averages, and these words also show significant differences in terms of social sciences and science.

Academic Turkish, academic vocabulary, teaching vocabulary, word lists, corpus linguistics