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.
lin
noun. snake
lin
noun. melody, air, tune, musical voice
lingo
noun. snake
-lin
suffix. noun suffix
li(n)-
prefix. many
-ine
suffix. noun suffix
-lis
suffix. noun suffix
-re
suffix. noun suffix
liri-
verb. to sing
-rin
suffix. noun suffix
lia(r)
adjective. many
limba
adjective. many
ola-
prefix. many
olli
adjective. many
olli-
prefix. many
oqi
noun. snake
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.
A word for “snake” in the Qenya Lexicon of the 1910s, with a stem form of {linge- >>} ling- (QL/54).