11-letter words that end in ian
- unsectarian — someone who is not sectarian
- utilitarian — object: functional, useful
- valentinian — a.d. 419?–455, emperor of the Western Roman Empire 425–455.
- vandemonian — a native or inhabitant of the former Van Diemen's Land (now Tasmania)
- west indian — (used with a plural verb). Also called the Indies. an archipelago in the N Atlantic between North and South America, comprising the Greater Antilles, the Lesser Antilles, and the Bahamas.
- westphalian — a former province in NW Germany, now a part of North Rhine-Westphalia: treaty ending the Thirty Years' War 1648.
- xenophobian — (rare) A xenophobe; one who is xenophobic.
- yugoslavian — formerly, a federal republic in S Europe: since 1992 comprised of Serbia and Montenegro; disbanded into independent countries in 2006. 39,449 sq. mi. (102,173 sq. km). Capital: Belgrade.
- zhoukoudian — the site of fossil-bearing caves near Peking, China, dating from the middle Pleistocene, in one of which were found the physical remains of Peking man together with stone tools and evidence of fire use.
- zoantharian — of or relating to the Zoantharia, a group of animals including all stony corals and sea anemones
- zoroastrian — of or relating to Zoroaster or to Zoroastrianism.