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

mabinos

noun. plane tree

A word in the Gnomish Lexicon of the 1910s glossed “plane tree” [perhaps Genus Platanus], apparently an elaboration of the plural mabin of G. mô/mab “hand” (GL/55). Tolkien said it was “usually + aj. fathwed [tasselled]”, presumably ✱mabinos fathwed “tasseled plane tree”. He also said that m. gwilbriniol, presumably G. ✱mabinos gwilbriniol, was another word for “sycamore” and was equivalent to G. mavlantos.

mabinos gwilbriniol

noun. sycamore

blantos

noun. sycamore

A word for “sycamore” in the Gnomish Lexicon of the 1910s, apparently a noun form of G. blant “flat”, likely referring to its leaves and possibly a reduced form of G. mavlantos of the same meaning (GL/23).

mavlantos

noun. sycamore

A word appearing as G. mavlantos “sycamore” in the Gnomish Lexicon of the 1910s, apparently a blending of G. mavlant “palm” and G. blantos “sycamore” (GL/23, 55). This word likely refers to the sycamore’s flat and palm-like leaves.

Neo-Sindarin: For purposes of Neo-Sindarin I would adapt this word as ᴺS. mablanthos, a noun formation based on mâb and [ᴺS.] plant “flat”.

Gnomish [GL/23; GL/55] 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.