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.
rû
noun. dwelling, house
rû Archaic
noun. mystery
rûm
noun. secret, mystery
-vran
suffix. dwelling
-vron
suffix. dwelling
cwist
noun. secret
gwast
noun. dwelling
A noun for “dwelling” in the Gnomish Lexicon of the 1910s derived from the early root ᴱ√[[ep|ŋwa[ð]-]] (GL/47).
lin
noun. sound
mugwen
adjective. secret
târ
noun. horn
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 word for “dwelling, house” in the Gnomish Lexicon of the 1910s (GL/66), likely related to ᴱQ. rú “dwelling, village” derived from the early root ᴱ√RU’U (QL/80).