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.
kalainis
proper name. May
lunde kalaina
proper name. May
A name for the month of May in the Qenya Lexicon from the 1910s (QL/56), a combination of lunde “month” and kalain(e)a “serene” similar to another name of this month: Kalainis.
lotession
proper name. May
lunde lótea
proper name. May
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 name for the month of May in the Qenya Lexicon from the 1910s (QL/44), an abstract noun formation from kalaine “serenity, serene”.