Gnomish
fant
adjective. crooked, bent, bowed
craig
adjective. crooked
gwegla
adjective. crooked
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.
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.
An adjective in the Gnomish Lexicon of the 1910s glossed “crooked, bent, bowed” derive from primitive ᴱ✶fṇ̄t, though Tolkien did mark this derivation with a “?” (GL/34).