Just as I thought that my case system was stable I have started to think about changing the Possessive and the Equative cases. The current endings are –ba for Possessive and –da for Equative. The Possessive have been stable since I devised it but I changed the Equative case not long ago from –bi to –da, the former was taken from/Quenya ve (prep. “as, like, similar, after the manner [of]”) and the latter taken from the Hurrian Equative.
I changed the Equative for two reasons. First and most important, I didn’t like the sound of ‘bi’, and second I have changed the phonetical rules of how Primitive Elvish ‘e’ developes to Angband Orcish to ‘a’ instead of ‘i’. So the new ending would then be –ba which is the suffix of the Possessive (taken from Quenya -va/-wa ( suffix “possessive or adjectival ending”).
But then I started thinking. There is an ending –ob which marks genitive and with possessive meaning in the all major Black Speech dialects (Shadowlandian, Svartiska Rukh Nulûrz and Horngoth) and in Zhâburi A the ending is –ûb (because one rule of Zhâburi is that there are no o in the grammar affixes). So now I’m thinking that maybe the Possessive case in Zhâburi B could be –bu. And then there is an opening for Equative –ba.