EN
Nomina agentis excerpted from inventories of noble estates in the Wielkopolska region in the second half of the 18th century have been analyzed. The article presents the results of the analysis of differential entries. The analysis was based on lexicographic data gathered in historical dictionaries, dictionaries of modern Polish, and research papers devoted to analogous material from other regions. The researcher took into consideration the level of the language where differentiation of the given units wasmanifested: phonetic, lexical (genetic criteria included), morphological, semantic. An attempt was made to indicate vocabulary from the Wielkopolska region.