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!

Gnomish

niost

noun. hive

A word appearing as G. niost “hive” in the Gnomish Lexicon of the 1910s based on G. nio(s) “bee” (GL/60). The second element might be G. ost “enclosure; town”.

Neo-Sindarin: For purposes of Neo-Sindarin I would adapt this words as ᴺS. níwost “hive”, a combination of ᴺS. nîw “bee” and S. ost “city, town”.

niosturwin

noun. queen bee

A word for “queen bee” in the Gnomish Lexicon of the 1910s, a combination of G. nio(s) “bee” and turwin “queen” (GL/60).