The two words that struck me are this chemical compound [1] (quite artificial as a name if you ask me, but apparently considered as a word), and this perfectly real hill name [2]
[1] https://en.wiktionary.org/wiki/Appendix:Protologisms/Long_wo...
[2] https://en.wikipedia.org/wiki/Taumatawhakatangi%C2%ADhangako...