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.
ram
noun. wing, pinion
rum
noun. noise
bant
noun. wall
bass
noun. wing, pinion
brum
noun. noise
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 Gnomish Lexicon of the 1910s glossed “noise” with variants rum and brum (GL/66), perhaps derived from a variant of the early root ᴱ√RAMA from which ᴱQ. ran (ram-) “noise” was derived (QL/78).