The article focuses on the morphological structure of infixed and sta-stem verbs in two written sources in the north Samogitian dialect of Kretinga, in particular Ziwatas and Purpura. The verbs in question are analysed in terms of their morphological composition, by comparing them to those recorded in a dictionary of the Kretinga dialect, and highlighting the changes and innovations that took place in the verbal system. The data gathered is further compared to linguistic facts regarding two authors using the same Kretinga dialect, Motiejus Valančius and Simonas Daukantas, and also to data provided by the Dictionary of the Lithuanian Language.