One of the issues studied in the knowledge of the Karakalpak language is analyzed through the prism of linguistic criticism, such as archaism, ishtarism, and dialectalism. In the article, the linguistic criticism elucidates the usage of obsolete words in our language in a vivid literary style, emphasizing the linguistic aspect. Subject: Objects are comprised of obsolete words and dialectal words in the language of Karakalpak, and they are analyzed. Purpose: Learning the usage of obsolete words in our language, their requirements, analysis, and usage in literary works. Supplement. Learning the significant usage of obsolete words in the language of literary works. Methodology: Comparative and descriptive analysis. Results: Learning obsolete words and dialectal words, creating their contemporary and comparative forms, and usage.