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.

Middle Primitive Elvish

dil

root. stop up, fill up hole

A root in The Etymologies of the 1930s glossed “stop up, fill up hole”, with various Noldorin derivatives of similar meaning (Ety/DIL).

Middle Primitive Elvish [Ety/DIL; Ety/GAS] Group: Eldamo. Published by

n(d)il

root. friend; love, devotion

Middle Primitive Elvish [Ety/NIL; EtyAC/NIL; SD/241; SD/305] Group: Eldamo. Published by

mālō

noun. friend

Middle Primitive Elvish [Ety/MEL] Group: Eldamo. Published by

yel

root. friend

A new gloss for the root ᴹ√YEL “daughter”, with a new set of derivatives like ᴹQ. -iel “-friend” and ᴹQ. yelda “friendly” (Ety/YEL), but it was rejected in turn and probably replaced by ᴹ√MEL.

Middle Primitive Elvish [Ety/YEL] 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.