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 

ú-

prefix. not, un-, in-

Qenya [Ety/GŪ; Ety/UGU; EtyAC/A; EtyAC/ƷŪ; EtyAC/UGU; LR/072] Group: Eldamo. Published by

arka

adjective. narrow

An adjective for “narrow” in The Etymologies of the 1930s derived from ᴹ✶akrā under the root ᴹ√AK “narrow, confined” (Ety/AK).

au-

prefix. without

ava-

prefix. without

Qenya [Ety/AR²; Ety/AWA] Group: Eldamo. Published by

lá-

verb. to not be

Qenya [PE22/106; PE22/119; PE22/121; PE22/126; PE22/127] Group: Eldamo. Published by

lúmeqentale

noun. history

as this form is an abstraction, it likely means “History” as a general concept

Qenya [Ety/KWET; Ety/LU; EtyAC/LU] Group: Eldamo. Published by

númenya

adjective. western

An adjectival form of ᴹQ. númen “west” from The Etymologies of the 1930s (Ety/RŌ).

Conceptual Development: The Qenya Lexicon of the 1910s had ᴱQ. numenda “western” based on ᴱQ. nūme “west” (QL/68), an adjective that also appeared in the contemporaneous Poetic and Mythological Words of Eldarissa (PME/68).

Qenya [Ety/NDŪ; LR/072; PE18/028] Group: Eldamo. Published by

qentasse

noun. history

ufárea

adjective. not enough

A negated form of fárea “enough” (LR/72).

um-

verb. to not be, to not do

Qenya [Ety/LA; Ety/UGU; EtyAC/ƷŪ; LR/072] 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.