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.
Isengrim Took II
Isengrim Took II
Isengrim Took III
Isengrim Took III
"Isengrim" is of Anglo-Saxon origin and comes from isen meaning "iron" and grim meaning "fierce". It is likely Isengrim is named after an earlier Isengrim, but it is notable that "Isengrim" is the name of a wolf who appears in many medieval epics, including the story of Reynard the Fox which originated in French folklore.
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.
"Isengrim" is of Anglo-Saxon origin and comes from isen meaning "iron" and grim meaning "fierce". It is likely Isengrim is named after an earlier Isengrim, but it is notable that "Isengrim" is the name of a wolf who appears in many medieval epics, including the story of Reynard the Fox which originated in French folklore.