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.
am
adverb. up
am(b)
noun. breast
am(m)arth
noun. fate
amvenn
adverb/adjective. uphill; arduous, difficult, tiresome
am(b)red
adjective. fated
am(b)os
noun. breastplate
han
noun. above
agos
adverb. very
mad-
verb. to eat
galad
noun. dawn
gist-
verb. to know
gol-
verb. to sing
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 “above” in the Nebrachar poem from around 1930 (MC/217). Its etymology is unclear.