Qenya
vanwa
adjective. gone (for good), departed, vanished, lost, past, over, dead
mar vanwa tyaliéva
place name. Cottage of the Lost Play
are manwen
proper name. Day of Manwe, first day of the Valian week
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.
The Quenya name for the 1st day of the Valian 5-day week, a combination of are “day” and the genitive of Manwe (Ety/LEP).