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.
yē
root. to be
yē
preposition. at
yel
root. daughter
yen
root. daughter
yend
noun. daughter
-eye
suffix. feminine suffix
-iyē
suffix. gerund, -ing
-(i)yē
suffix. perfect suffix
eʒ-
verb. to be
le
pronoun. you (polite)
mardasē
adverb. at home
ē
root. to be
ī
root. to be
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.