Early Quenya
tavar
noun. dale-sprite, fay of the woods; forest
aldare
noun. wood
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 word glossed “wood” in the margins of Tolkien’s notes on The Creatures of the Earth from the 1910s, clearly an elaboration ᴱQ. alda “tree” as suggested by Patrick Wynne and Christopher Gilson (PE14/7).