Hi +wesley owen , we can chat about any language invented or used by Tolkien, no restrictions at all. There are separate categories for Quenya and Sindarin simply because those are the two languages which are the most developed.

Ok thanks I was an elvish but after the hobbit I turned to the dwarves and the mystery of khuzdul  

You may already know it but here is a good summary of Khuzdul by +Helge Kåre Fauskanger :
http://folk.uib.no/hnohf/khuzdul.htm

thanks that will help gaubdukhima gagin yakulib mahal