Middle Primitive Elvish
sil
root. shine silver
gal
root. shine
ithil
noun. moon
kal
root. shine
ranā
proper name. Moon
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.
sil
root. shine silver
gal
root. shine
ithil
noun. moon
kal
root. shine
ranā
proper name. Moon
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.