Beware, older languages below! The languages below were invented during Tolkien's earlier period and should be used with caution. Remember to never, ever mix words from different languages!

Qenya 

tussa

noun. bush

A noun for “bush” in The Etymologies of the 1930s derived from primitive ᴹ✶tussā under the root ᴹ√TUS (Ety/TUS).