Begimov Odil Tukhtamishovich2025-10-162025-10-162025-04-30N https://doi.org/10.5281/zenodo.152877972996-5128https://dspace.kstu.uz/xmlui/handle/123456789/463As is known, the theory of nomenclature is one of the most important research areas of modern linguistics. The nomenclature process is a complex phenomenon, which includes the properties of nomenclature, the division of reality into separate elements, methods of determining semantic content using a system of signs, and many other issues. The article substantiates with examples a special method of naming - onymization (oronymization), that is, the transition of appellatives to oronyms without structural changes. As a result of the study, it was concluded that the vocabulary of oronyms, as the most stable link in the lexical system of the language, over time, goes out of active use in the speech of native speakers, is preserved and strengthened. Key wordenonomastics, toponymy, oronymy, proper name, common noun, appellative, nomination.Article