A PROBLEM OF NORM IS IN THE ASPECT OF LEXICAL VARIANT (ON MATERIAL OF SEPARATE GROUPS OF VOCABULARY OF XI – XIV CENTURIES)

In the article, consisting of research of linguistic norms is described of OldRussian texts of ХІ – ХІV centuries, analyzed features of that time linguisticnorms. Lexical structure of literary monuments of ХІ – ХІV centuries ischaracterized the presence of far of lexical and word-formation variants.