A few Black Speech words are given in Appendix F of The Return of the King. These include Lugbúrz, meaning Dark Tower (Barad-dûr), snaga, slave, and ghâsh, fire. The name Nazgûl is a combination of nazg meaning ring and gûl meaning wraith(s), hence ringwraith. The only known sample of debased Black Speech/Orkish can be found in The Two Towers, where a yellow-fanged Mordor Orc curses the Isengard Uruk Uglúk: