The research topic is a comparative analysis of the vocabulary and terminology of the different specialist areas of the Bulgarian and Hungarian languages. Such research areas are the language of IT, economic language, legal language, etc. The aim of the research is to determine the origin of words belonging to the vocabulary of the field, and how this process develops in the Hungarian and Bulgarian languages. Presentation of the parallels found in the two languages, analysis of the differences. Formation and grouping of vocabulary.

The research topic is the linguistic picture of the world, as well as phraseology in the Hungarian and Bulgarian languages. A detailed comparison of a highlighted area (such as body parts, colors, animals, emotions, etc.) how they appear in language. Structural and semantic presentation and analysis of idioms according to different aspects.