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.

Gnomish

dalech

noun. (upright) stone

A word for “(upright) stone” in the Gnomish Lexicon of the 1910s with variants dalech and daleg and plural form daleth, all apparently elaborations of G. dal “cairn” (GL/29).

daleg

noun. (upright) stone


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.