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.
arda
place name. Earth, world
arda
noun. realm, region
arya
noun. day (twelve hours)
númeheruvi arda sakkante lenéme ilúvatáren
the Lords of the West broke the world by leave of Ilúvatar
harda
noun. realm
ambar
noun. Earth, World
men
noun. place, spot
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.
|1|   2   |3|4|5| |manwe|herunūmen|{herunūmen >>} Nūmekundo|númeheruvi| |ilu|{ilu >> eru >>}|arda| |terhante|{terhante >>} askante|sakkante| | |...|{... >>}|lenéme| | |Ilúvatáren|