 The consonant does not survive in any form of the paradigm, and these nouns make the appearance of ending in an unchanging "-e".However, the former existence of a consonant in still seen in that the dictionary form represents weak gradation, and each word has two stems, a weak grade stem in which the former final consonant has assimilated (used for the partitive singular), and strong grade vowel stem to which most case suffixes are applied.The vowel stem has an additional "-e-"