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 

atto

noun. father (hypocoristic)

Qenya [Ety/ATA; LR/059; PE22/023] Group: Eldamo. Published by

atta

cardinal. two

Qenya [Ety/AT(AT); Ety/TATA; PE22/017; PE22/044] Group: Eldamo. Published by

man-ie, atto?

what is it, father?

él Archaic

noun. star

atar

noun. father

Qenya [Ety/ATA; LR/061; PE22/018; PE22/046; PE22/047; PE22/118; PE22/119; PE23/081; PE23/105] Group: Eldamo. Published by

elen

noun. star

Qenya [Ety/EL; PE17/014; RS/324; VT28/11; WR/223] Group: Eldamo. Published by

elena

noun. star

ellen

noun. star

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.