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.

Early Quenya

arda

noun. place, spot

@@@ probably from [ɣarðā] since cognate G. gar(th) ends in [θ] which only develops from [ð] when final after a consonant

Early Quenya [QL/032] Group: Eldamo. Published by

arda valarwa

place name. Arda Valarwa

A variant of Ainurarda “Place of the Gods” in an early name list (PE13/103), a compound of arda “place” and the plural adjectival form of Vala.

Early Quenya [PE13/103] Group: Eldamo. Published by

ehtar

noun. swordsman, warrior; sword

Early Quenya [PE13/158; PE14/044; PE14/072; PE14/074; PE15/77] Group: Eldamo. Published by

ektar

noun. swordsman

Early Quenya [LT1A/Telimektar; PME/035; QL/035] Group: Eldamo. Published by

makillar

noun. swordsman

Early Quenya [QL/058] Group: Eldamo. Published by

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.