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.
doldrin
noun. mole
thlim doldrin
collective name. *Folk of the Mole
dolfa
noun. mole
A noun appearing as G. {doldos >>} dolfa and {doldrin >>} dolmeg in the Gnomish Lexicon of the 1910s, derived from the early root ᴱ√NDOLO “delve” (GL/30). The form G. doldrin “mole” appeared undeleted in the Gnomish Grammar and the Official Name List for the Lost Tales (GG/8; PE13/104).
Neo-Sindarin: For purposes of Neo-Sindarin I would adapt these words as ᴺS. dolph, reconceived of as a derivative of the root ᴹ√NDOL “✱hill, head”, describing these creatures as hill-makers.
dolmeg
noun. mole
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.
Name for the people of Meglin in an early name list (PE13/104), a combination of thlim “race” and doldrin “mole”. Meglin was called the “lord of the house of the Mole” on LT2/175.