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.
pen
preposition. through
nekka
noun. pen
pelma
noun. pen
tenka
noun. pen
pele-
verb. to surround, fence in, pen in
sinda nekka ui sara ro sinda hyalin me sinda móro
*this pen is not writing on this paper with this ink
-valta
suffix. -less
-vilte
suffix. -less
el
adverb/adjective. one
enqe
preposition. without
mir
cardinal. one
ter
preposition. through
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.