A noun given as ’wenda “brook” in the Qenya Lexicon of the 1910s derived from the root ᴱ√GWEÐE (QL/103).
Early Quenya
wente
noun. brook, small river
vente
noun. brook, small river
wenda
noun. brook
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.
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 given the cognate of G. gwent “brook, small river” in the Gnomish Lexicon of the 1910s as a derivative of the root ᴱ√gu̯et (GL/46). Tolkien seems to have revised the primitive form to u̯et and the Qenya form to vente.