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.
so-
prefix. grouped, together
-ngwe
suffix. *together
hi·tulinde nai
she {will >>} might be coming (supposing else also to be the case, which we know is not so)
hu·karne ha min
he did it first (i.e. either before anyone else did so, or before he did anything else)
ná
interjection. so, yes (it is)
piliningwe súyer nalla qanta
*the airs are so full
tule ne
it so happens that, it comes about that, it comes to pass that
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.