The adjective ᴱQ. qínea “squeaking” appeared in the Qenya Lexicon of the 1910s under the early root ᴱ√QINI (QL/39).
Neo-Quenya: I would retained this adjective as ᴺQ. quínëa for purposes of Neo-Quenya.
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.
qíne
noun. squeaking
qínea
adjective. squeaking
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.
The noun ᴱQ. qíne “squeaking” appeared in the Qenya Lexicon of the 1910s under the early root ᴱ√QINI (QL/39).
Neo-Quenya: I would retained this noun as ᴺQ. quínë for purposes of Neo-Quenya.