13-letter words containing o, n, g, u, a
- upright piano — a piano with an upright rectangular body and with its strings running vertically. Compare spinet (def 1).
- uranite group — the mineralogical group including uranites and related minerals.
- ustilagineous — belonging to the Ustilaginales, an order of fungi that cause plant disease
- volsunga saga — an Icelandic saga of the late 13th century, concerning the family of the Volsungs, the theft of the cursed treasure of Andvari, the adventures of Sigurd, his wooing of Brynhild, his enchantment and marriage to Gudrun, and his eventual murder.
- vulgarization — to make vulgar or coarse; lower; debase: to vulgarize standards of behavior.
- wages council — (formerly, in Britain) a statutory body empowered to fix minimum wages in an industry; abolished in 1994
- young ireland — a movement or party of Irish patriots in the 1840s who split with Daniel O'Connell because they favoured a more violent policy than that which he promoted
- zhao kuangyin — Chao K'uang-yin.
- zoosporangium — a sporangium or spore case in which zoospores are produced.