9-letter words containing o, s, t, i, n, a
- volcanist — a person who studies volcanoes
- wainscots — Plural form of wainscot.
- waypoints — Plural form of waypoint.
- xanthosis — (pathology) A yellowish discolouration of tissues undergoing degeneration.
- zákinthos — one of the southernmost islands of the Ionian Islands, Greece: 155 sq mi (401 sq km)