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.
yulma
noun. brand
sungwa
noun. drinking-vessel
A noun for “drinking-vessel” in The Etymologies of the 1930s derived from ᴹ✶sukmā under the root ᴹ√SUK “drink” (Ety/SUK).
Neo-Quenya: For purposes of Neo-Quenya, I’d stick to later Q. yulma “cup, drinking vessel” to avoid dealing with changes to the phonetic rules whereby km > gm > ngw that Tolkien made in the 1950s.
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.
A noun for “brand” in The Etymologies of the 1930s derived from the root ᴹ√YUL “smoulder” (Ety/YUL; EtyAC/YUL). It conflicts with the later word Q. yulma “cup”.