The functions of derivational affixes in Turkish

In a study called "the functions of derivational affixes in Turkish", role of the derivational affixes have been observed. For this, especially with the Works of Zeynep Korkmaz's "Turkish Grammar Morphology", Muharrem Ergin's "Turkish Grammar", Tahsin Banguoğlu's "Grammar of Turkish", Vecihe Hatipoğlu's "Affixes of Turkish", Hamza Zülfikar's "Term Issues and Ways og Making a Term" and Yusuf Çotuksöken's "Turkish Suffixes" the articles and boks that include the derivational affixes have been reviewed and the informations regarding the Turkish derivational affixeshave been combined. Following the background information given regarding the development and alteration procces of derivational affixes, their functions that take place in different scientific sources and if available, the functions of them ever not mentioned have been tried to be explained in detail in the light of the samples obtained from literary texts. Besides, All the informations given have been supported with the examples and annotations. Occasionally, There exists samples regarding the use of derivational affixes in old Turkish and old Anatolian Turkish. Thus, it has been been aimed to contribute to the determination of the tonal and shape features of the derivational affixes in the best manner with the alterations and development procces they getthrougt. Key Words: Turkey Turkish, shape information, affixes, derivational affixes, functions of derivational affixes.