10-letter words containing o, n, h, a
- xenophobia — fear or hatred of foreigners, people from different cultures, or strangers: Xenophobia and nationalism can be seen as a reaction to the rise of globalization.
- xiphoidian — (anatomy, rare) xiphoid.
- xiphosuran — any chelicerate arthropod of the subclass Xiphosura, including the horseshoe crabs and many extinct forms
- xylophagan — an insect in the Xylophaga or Xylophagi that eats wood
- zhou enlai — 1898–1976, Chinese Communist leader: premier 1949–76.
- zincograph — (formerly) a zinc plate produced by zincography.
- zoanthropy — a mental disorder in which one believes oneself to be an animal.
- zygobranch — a creature belonging to the Zygobranchia genus, which includes molluscs with paired gills