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.
limpalasse
noun. much roaring
limpalassea
adjective. much roaring
An adjectival form of ᴱQ. limpalasse “much roaring” in the Qenya Lexicon of the 1910s given as limpa(pa)lasse(a) (QL/53), also mentioned (unglossed) in the Poetic and Mythological Words of Eldarissa as limpalasse(a) (PME/53).
limpa(pa)lasse(a)
adjective. much roaring
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 noun in the Qenya Lexicon of the 1910s glossed “much roaring” (QL/53), a combination of ᴱQ. li(n)- “many” and ᴱQ. palasse “splashing”, so likely referring to the roar of waves on the beach.