There are more words but they are from Tolkien's earlier conceptional periods. Tolkien likely changed these words as he evolved the aesthetics and completeness of the languages. You may even find languages that Tolkien later rejected. Do not mix words from different time periods unless you are familiar with the phonetic developments.
ráva
noun. bank (especially of a river)
ráva
noun. lion
ráva
noun/adjective. wild, untamed
rá
noun. lion
(a)ranya
adjective. free
merka
adjective. wild, untamed
mirima
adjective. free
ranya
adjective. free
rú
noun. lion
verka
adjective. wild
Below: Tolkien's Late Period (1950–1973). These are from Tolkien's late conceptual period — his most settled forms of the languages. Prefer these over the earlier ones above when composing new text.
A noun in The Etymologies of the 1930s glossed “bank, especially of a river” derived from the root ᴹ√RAB, also the basis for ᴹQ. ramba “wall” (Ety/RAMBĀ; EtyAC/RAMBĀ).