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.
dyē
root. behind, back (before of time)
dyē
root. *gaze
A root in the Qenya Lexicon of the 1910s with derivatives meaning “gaze” or “look at” (QL/105). In later writings is seems this function was transferred to √TIR.
(d)ye
root. demonstrative pointing back
ya
root. demonstrative pointing back
dya
root. demonstrative pointing back
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 root in the Qenya Lexicon of the 1910s glossed “behind, back (before of time)” and with a number of derivatives related to “yesterday” (QL/105). In later writings the Quenya word for “yesterday” was noa (VT49/34).