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.

Qenya 

elendil

masculine name. Elf-friend

Qenya [Ety/NIL; LR/029; LR/031; LR/048; LRI/Elendil; RS/197; RS/215; RSI/Elendil; RSI/Orendil; SD/403; SDI1/Elendil; SDI2/Elendil; SDI2/Nimruzân; SDI2/Nimruzîr; TII/Elendil; WRI/Elendil] Group: Eldamo. Published by

elendilion

proper name. Descendant of Elendil

Apparently a name for the kings of Gondor as descendants of Elendil in Lord of the Rings drafts from the 1940s, appearing in its Anglicanized plural “Elendilions” (WR/76). It is a compound of the name Elendil and the patronymic suffix -ion.

Qenya [WRI/Elendilion] Group: Eldamo. Published by

elesser

masculine name. Elf-friend

A variant of Elendil appearing in The Etymologies from the 1930s (Ety/SER), perhaps a compound of the root ᴹ√ELED “star-folk, Elf” and the suffix -ser “friend”, as indicated by the archaic form †Eleðser.

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.