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

galdon

noun. tree

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

thlim galdon

collective name. *Folk of the Tree

Name for the people of Galdor in an early name list (PE13/104), a combination of thlim “race” and galdon “tree”. Ecthelion’s people were called the “those of the Tree” on LT2/173.

nos galdon

proper name. People of Galdor

Gnomish [LT2/215; LT2A/Duilin; LT2A/Galdor; LT2I/Nos Galdon; LT2I/Nos nan Alwen] Group: Eldamo. Published by

alwen Archaic

noun. tree

Gnomish [GL/19; LT2/215; LT2A/Duilin; LT2A/Galdor; PE13/109; PE15/24] Group: Eldamo. Published by

orn

noun. tree

Gnomish [GL/19; GL/42; GL/62; LT2A/Galdor; LT2A/Hirilorn; PE13/109; PE13/115; PE13/116] 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.