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.
ol-
verb. to appear, seem
ol
noun. cliff, seaward precipice
-(i)ol
suffix. adjective suffix
-(r)in
suffix. adjective suffix
-r(i)ol
suffix. adjective suffix
-ra
suffix. adjective suffix
-wed
suffix. adjective suffix
aglar(i)ol
adjective. glorious
na-
verb. to be
usgwi
masculine name. Usgwi
ôla
noun. cliff, seaward precipice
-thol Reconstructed
suffix. adjective suffix
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 for “cliff, seaward precipice” in the Gnomish Lexicon of the 1910s with variants ol and {ôl >>} ôla, derived from primitive ᴱ✶oldō (GL/62).