Gnomish
ectha
noun. sword
ectha- Archaic
verb. to spout, jet
aith
noun. sword
aithi Archaic
noun. sword
aithwen
noun. sword
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.
ectha
noun. sword
ectha- Archaic
verb. to spout, jet
aith
noun. sword
aithi Archaic
noun. sword
aithwen
noun. sword
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.