In this article new words are grouped according to the parts of speech origin; morphnological phenomena in new words are analyzed, congruence or incongruity in morphonological changes in the new words according to the norms of the Ukrainian language are clarified, and productive and less productive morphonological models in the new words of Ukrainian language are defined. The article outlines the future research of morphonological new phenomena in the words of the Ukrainian language and the problem of motivating the creation of new words.