Comparative Study of Assimilation Process in various Language of Fars Province

The main concern of this article is to analyze the assimilation process between consonants of 15 various languages of Fars Province such as Shirazi, Shurabi, Kazeruni, Davani, Abduyi, Mamassani, Papuni, Richi, Birovakani, Dadenjani, Mehbodi, Zaxoruyei, Ghalati, Lari and Xonji based on the generative phonology. Data required for conducting this research have been extracted from the written documents such as books, theses, and also articles. In addition, if this type of research requires more extended data or verifying their collected data, the writer interviewed with the informants of the mentioned varieties of languages and records their speeches. Some of the main results are as follows: 1. Assimilation in consonantal clusters /-st/ and /-nb/ are more frequent than other clusters in the mentioned 15 varieties of languages. 2. In these 15 varieties, assimilation in manner of articulation is more frequent than other features such as place of articulation or voicing. 3. Progressive and partial assimilation are more common than regressive and total integration. 4. In these varieties of languages, in consonants assimilation of two-consonantal sequences, the sonorant consonant is always more dominant. 5. In consonants assimilation within these varieties, assimilation among consonants with the same place of articulation is always results in total assimilation and consequently yields fake germination.