Beware, older languages below! The languages below were invented during Tolkien's earlier period and should be used with caution. Remember to never, ever mix words from different languages!

Qenya 

ván

noun. goose

A noun for “goose” in The Etymologies of the 1930s derived from primitive ᴹ✶wān under the root ᴹ√ “blow” (Ety/WĀ).

Conceptual Development: In the Qenya Lexicon of the 1910s the words for “goose” was ᴱQ. ẏanwa (QL/105).

kelulinde

noun. spring

A word for “spring” in the Declension of Nouns of the early 1930s, a combination of ᴹQ. kelu- “flow” and ᴹQ. linde “pool” (PE21/10). ᴱQ. kelusindi “river (near its source)” = ᴱQ. kelu- + sindi from the Qenya Lexicon of the 1910s is similar in structure (QL/46).