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.
mólome
noun. hard work, burden
(ye) mólome nakie·nye
(it is) hard work to kill me
aran ie mólome
being a king is a burden
ha mólome a·ndake poldórear
it is hard work to kill the strong
ha mólome le·nakin(ye)
it is hard work for you to kill me
karie ye mólome
making (things) is hard work
mólome mára poldóreain
hard work (is) good for the strong-bodied
mólome nakin(ye)
hard work kills me
ella nakie nye mólome Reconstructed
it is hard work for you to kill me
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 noun for “hard work” (PE22/119-120) or “burden” (PE22/124) from the Quenya Verbal System (QVS) written in 1948, clearly based on the root √MŌ “labour”.