Лексика с неполногласием и полногласием в русских народных говорах (в сравнении со староболгарским и древнерусским языками)

The paper considers a group of Russian dialect words with Old Bulgarian nepolnoglasje (vocally reduced root morpheme). The lexical units are distinguished mainly through contrast of the semantic coverage of the corresponding word families in Old Bulgarian and Russian but evidence from other Slavic languages is also produced. If meaning occurs in Russian (or East Slavic) but is missing in Old Bulgarian (and usually in the other South Slavic languages as well) the semantic correlates with the Old Bulgarian vocally reduced root are considered more likely to be of Russian origin as their counterparts having the Russian polnoglasje (full root morpheme). No vocally reduced forms have been evidenced in either Old Russian manuscripts or Modern Literary Russian which appears to corroborate that the considered items must most probably be non-standard developments.