The research is entitled (The topic of taboo in Kurdish language), it is an attempt to find the topic of taboo in Kurdish native speakers' mental, in order the most taboo expression to be recognized generally. Consequently, to find taboo and its order in mind, mental lexicon has been applied, which is in relation to being individually or in group has its particular sort. The present research is to explore that information in mental lexicon, which relies on the data and instruments that are

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... ered in syntax and morphology of contexts. The study uses analytical descriptive method to analyze the phenomenon and its principle. The instrument of the study is Kurdish language _ slemani Dialect. The findings of the study shoe that the taboos have their own domain and in mental lexicon orders are kept and on the same sorts are expressed.