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.

Gnomish

gumlin

masculine name. Gumlin

In the earliest Lost Tales, the name of the servant who accompanied Túrin to Doriath, renamed Grithnir in later writings. Elsewhere in later writings, the name Gumlin was briefly used for the father of Húrin before Tolkien changed this name to its final form, Galdor.

Gnomish [LBI/Gumlin; LBI/Mailrond; LT2I/Gumlin; SMI/Gumlin; SMI/Mailgond] Group: Eldamo. Published by

galdor

masculine name. Galdor

In the earliest Lost Tales, Galdor was a Noldo lord in Gondolin, lord of the people of the Tree. In later writings, N. Galdor was an early name for Legolas in Lord of the Rings drafts and S. Galdor was used for the father of Húrin.

Gnomish [LBI/Galdor; LT2/215; LT2A/Galdor; LT2I/Galdor; PE13/104; PE15/24; SMI/Galdor] Group: Eldamo. Published by

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.