Quenya 

nuxo

petty dwarf

nuxo noun "Petty dwarf" (PE17:45; the spellings "nukso" and "nuxo" both occur in the source). Elsewhere the Petty-dwarves are called Picinaucor or Pitya-naucor, q.v.

nuxo

noun. Petty dwarf

Picinaucor

petty-dwarves

Picinaucor ("k") pl. noun "Petty-dwarves" (sg. #Picinauco, cf. nauco). Also Pitya-naucor (WJ:389). A distinct term nuxo is listed in PE17:45.

Pitya-naucor

petty-dwarves

Pitya-naucor pl. noun "Petty-dwarves" (sg. #Pitya-nauco, cf. nauco) Also Picinaucor (WJ:389)