The aim of the study is to analyse nests of lexemes concerning religious cult. 140 nouns, adjectives and verbs were analysed. All were divided into seven semantic categories. The first part of the study presents data and its quantitative analysis. The authoress considers also origin of the lexemes and influence of the origin on formative activity of the word. In the part dedicated to characterisation of religious vocabulary she presents the process of penetration of religious terms into colloquial Polish. In the end she presents results of the study.