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.

Early Quenya

súlisan

proper name. Sunday

Alternate of the first Sunday in the Valinorean fortnight (PE14/22), a combination of súlime “wind” and sana “day”, replacing rejected Taimósi (probably from taime “sky”).

Early Quenya [PE14/022] Group: Eldamo. Published by

kémisan

proper name. Sunday

Name of the second Sunday in the Valinorean fortnight (PE14/22), a combination of the name of the goddess Kémi and sana “day”.

Early Quenya [PE14/022] Group: Eldamo. Published by

manwisan

proper name. Sunday

Name of the first Sunday in the Valinorean fortnight (PE14/22), a combination of the name of the god Manwe and sana “day”.

Early Quenya [PE14/022] Group: Eldamo. Published by

poldórien

proper name. Sunday

Name of Sunday in the seven-day week of the Elves (otsola) in an early word list (PE14/21). The day was related to manhood and strength, and was probably derived from poldor “strength”.

Early Quenya [PE14/021] Group: Eldamo. Published by

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.