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

ponta-

verb. to turn round, turn back, retrace

A word appearing as ponta- or podra- in the Gnomish Lexicon of the 1910s with the glosses “turn round, turn back, retrace”, verb forms of G. pont or pod “the back, reverse or far side” (GL/64).

podra-

verb. to turn round, turn back, retrace


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.