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.
har-
verb. to remain
har(e)
adverb. near
hari
noun. blood
er-
verb. to remain
A verb in the Qenya Lexicon of the 1910s implied by its present erin “remains” and past ēre, both under the early root ᴱ√ERE “remain alone” (QL/36).
ha
pronoun. it; 3rd sg. neut. pronoun
hyá-
verb. to stand
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.
An adverb(?) and prefix for “near” in the Qenya Lexicon under the early root ᴱ√HAŘA “cleave, remain”, most notable as an element in ᴱQ. Harwalin “Near the Valar” (QL/39).