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

ring

adjective. cool, cold

Gnomish [GL/65; LT1A/Ringil] Group: Eldamo. Published by

lemfarilt

noun. ring

grail

noun. ring, circle, circlet

A word in the Gnomish Lexicon of the 1910s glossed “a ring, circle, circlet” (GL/42).

grilthi

noun. finger-ring

A noun for “finger-ring” in the Gnomish Lexicon of the 1910s, an elaboration G. grail “ring, circle” (GL/42). It had a longer variant G. lemfarilt with a prefixed adjectival variant of G. leptha “finger” (GL/53).

Gnomish [GL/42; GL/53] Group: Eldamo. Published by

drinn Archaic

noun. ring, disc

The Gnomish Lexicon of the 1910s had G. {drin or drain >>} drinn “ring, disc” marked as archaic “†” (GL/30). It was likely based on the early root ᴱ√RINI having to do with circles.

crithos

noun. circle, ring

Gnomish [GL/27; PE13/111] Group: Eldamo. Published by

culugrithnir

proper name. ring of gold

dala-

verb. to sing or ring

corm

noun. ring, circle, disc

lang-

verb. to blare, clang, ring

lemfadrin

noun/adjective. of the finger; ring

lintha-

verb. to sound (tr.), strike or ring bell, play an instrument

timpa-

verb. to ring, jingle, tinkle

Gnomish [GL/70; LT1A/Tinfang] Group: Eldamo. Published by

timpintha-

verb. to ring, jingle, tinkle

nelu-

verb. ring (tr. & intr.)

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.