The study of language has been put into focus of attention by many researchers in literature and philosophy and several outstanding works have been composed in Persian and Arabic languages. The previous studies in this area helped to establish the science of language among Persian speakers and consequently necessary terms for most branches of this science, such as syntax, stylistics, semantic, rhetoric and phonology, were coined. On the other hand, Language in the recent century welcomed the modern way of language studies and many books and articles were translated from western languages, and new words and terms were devised irrespective of local studies. The present study is an attempt to investigate the terms devised in modern branches of linguistics and common terms of local studies and in this way makes a comparison and a link between the old and new achievements.
