13-letter words containing g, r, u, m, o, s
- program music — music intended to convey an impression of a definite series of images, scenes, or events.
- prolegomenous — prefatory; preliminary; introductory.
- regiomontanus — Friedrich Max [free-drik maks;; German free-drikh mahks] /ˈfri drɪk mæks;; German ˈfri drɪx mɑks/ (Show IPA), 1823–1900, English Sanskrit scholar and philologist born in Germany.
- rogue's march — a derisive tune played to accompany a person's expulsion from a regiment, community, etc.
- rooming house — a house with furnished rooms to rent; lodging house.
- rose geranium — a geranium, Pelargonium graveolens, cultivated for its fragrant, lobed or narrowly divided leaves.
- semireligious — having a somewhat religious character.
- subgovernment — the political direction and control exercised over the actions of the members, citizens, or inhabitants of communities, societies, and states; direction of the affairs of a state, community, etc.; political administration: Government is necessary to the existence of civilized society.
- sugar of milk — lactose.
- superorganism — a form of life composed of mutually interdependent parts that maintain various vital processes.
- sweet sorghum — sorgo.
- tumorigenesis — the production or development of tumors.
- ugly customer — a hostile or dangerous person.
- unpromisingly — in a manner that is not showing any promise of favourable development or future success
- women's group — A women's group is a group of women who meet regularly, usually in order to organize campaigns.
- zero-sum game — a game in which the sum of the winnings and losses of the various players is always zero, the losses being counted negatively.
- zoosporangium — a sporangium or spore case in which zoospores are produced.