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The present paper seeks to analyze the main term-formation methods in Persiand and Russian Languages Special languages and their linguistics specification (morphological, syntactic, word formation and etc.) are one of the most research subjects in modern terminology. Recently , among these linguistics specifications, researches on  term formation are becoming necessary due to their main role in terminology systematization.
On the other hand, with the increase of inter-linguistic interactions in the specialized fields, the comparative aspects of the aforementioned researches have made a major contribution to the research in this field. It is evident that for such research, a general reference system of the classification of tools and methods of word formation is necessary.
This paper aims to present a common system for different types of term formation in Persian and Russian languages. This paper answer to this question: to what extent term-making tools and methods are overlapping in these two languages, and could reach into a comprehensive classification of both Persian and Russian languages?
To This end, The authors first studied all present kind of term-formation methods and tools in both Persian and Russian languages. The result showed, in the first section, the relative affinities term-formation methods and tools for the Russian and Persian languages. Next, according to classification cited in Russian sources and focusing on the linguistic nature of the new term-formation method, the term – formation methods were classified into five general categories of morphological, syntactic, semantic, borrowing, and abbreviations making.
  Morphological method focuses on morpheme (generally affixes) for new word; syntactic method leads to phrase-formation as an term; in semantic method usually, words of general language are transformed to terms using metonymic or metaphoric tools; in borrowing, words incorporated into one language from other languages and in abbreviations making – as a word formation method, words divided to a unit such as phoneme.