The aim of this article is to continue the discussion on issues related to onomastic terminology, the necessity of its harmonization and normalization (concept → term). An approximate stock of anthroponomastic terms, as well as the preliminary concept of a dictionary development of terms, were indicated as part of the project “Polish onomastic terminology”. In selected examples, synonymy, the variation of terms, the coexistence of native and foreign forms (usually adapted from Greek or Latin), the rationality of new terms, doublets with a grammatical number are shown in the context of current tradition and research practice. Attention was drawn to the need to indicate, in the planned terminological dictionary, the preferred, acceptable and ...