Finno-Ugric substrate appellatives in Russian dialects of the Upper Kama

The current article is a brief review of the Finno-Ugric substrate appellatives in the Russian dialects of the Upper Kama. Special attention is paid to the identification and differentiation of the substrate types (viz. living or extinct Finno-Ugric dialects) along with its relative chronology. A new tentative etymology is proposed for some Russian dialectal words