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.
alch
noun. swan
trum
noun. shield
A noun for “shield” derived from primitive ᴹ✶turumbē (Ety/TER), where the unstressed vowel in the first syllable vanished to produce the favored combination [tr], and later the [[ilk|[mb] simplified to [m]]] when this cluster became final.
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 Ilkorin word for “swan” derived from primitive ᴹ✶alkwā (Ety/ÁLAK). This word is a good example of how voiceless stops became spirants after liquids and voiceless stops in Ilkorin.