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.
alaith
noun. shielding, warding off, protect(ion)
elaig-
verb. to shield, ward off, protect
A verb in the Early Noldorin Dictionary of the 1920s, whose meaning is implied by its infinitive form ᴱN. alaith- “shielding, warding off, protect(ion)” (PE13/158).
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 for “shielding, warding off, protect(ion)” in the Early Noldorin Dictionary of the 1920s, the infinitive of the verb ᴱN. elaig- (PE13/158).