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.
olli
adjective. many
olli-
prefix. many
oli-
prefix. intensive
aka-
prefix. intensive
are-
prefix. intensive
ari-
prefix. intensive
li(n)-
prefix. many
lia(r)
adjective. many
limba
adjective. many
ola-
prefix. many
ole-
prefix. intensive
sa-
prefix. intensive
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.