The Researcher represented this Message to Nizwa University Collage of Arts and Science ,Division of Arabic Language and its Arts , Complementary for Requirements obtaining Master Degree in Arabic Studies . This Thesis take Koran in similar phonetic verses , and trying deduction secrets and judgment and opinions about the Koran , through the statements of Grammarians , Explainers and Rhetoricians and Owners of similar Books . The plan of the Research based on : Preface and Three chapters, any chapter contains more fields of research and Conclusion contain results of research . The Preface contain : the important of the Subject and the Target of its Study .and definition similar phonetic Language and Term. chapters of Thesis are three , relatively as follows: First chapter : Koran and non in (Letters of SEMANTICS). Second chapter : Koran and non in : (Word) Third chapter : Koran and non-Koran in (Sentences and Phrases) The Conclusion comes summarizing to outstanding good Style Wondrous nature of the Holy Koran.