11-letter words containing r, u, s, o
- fergusonite — a rare-earth mineral, yttrium columbate and tantalate, found in pegmatites.
- ferociously — savagely fierce, as a wild beast, person, action, or aspect; violently cruel: a ferocious beating.
- ferriferous — producing or yielding iron: ferriferous rock.
- ferruginous — Geology. iron-bearing: ferruginous clays.
- fervourless — Without fervour.
- feudatories — Plural form of feudatory.
- fibrousness — The state or quality of being fibrous.
- figurations — Plural form of figuration.
- filoviruses — Plural form of filovirus.
- fish course — A fish course is a part of a meal in which fish is served, usually before the entrée.
- fissiparous — reproducing by fission.
- flavourings — Plural form of flavouring.
- flavourless — British standard spelling of flavorless.
- flavoursome — Alternative spelling of flavorsome.
- flirtatious — given or inclined to flirtation.
- floribundas — Plural form of floribunda.
- floriferous — producing blossoms; flower -bearing.
- flourisheth — Archaic third-person singular form of flourish.
- flourishing — growing vigorously; thriving; prosperous: a flourishing little business.
- fluorescein — an orange-red, crystalline, water-insoluble solid, C 20 H 12 O 5 , that in alkaline solutions produces an orange color and an intense green fluorescence: used to trace subterranean waters and in dyes.
- fluorescent — possessing the property of fluorescence; exhibiting fluorescence.
- fluorescing — Present participle of fluoresce.
- fluoridates — Third-person singular simple present indicative form of fluoridate.
- fluorinates — Third-person singular simple present indicative form of fluorinate.
- fluoroscope — a tube or box fitted with a screen coated with a fluorescent substance, used for viewing objects, especially deep body structures, by means of x-ray or other radiation.
- fluoroscopy — the use of or examination by means of a fluoroscope.
- flushometer — a device for flushing toilets that uses system pressure rather than gravity and automatically shuts off after a measured amount of water flow in order to conserve water.
- flustration — the state of being flustrated or flustered
- focus group — a representative group of people questioned together about their opinions on political issues, consumer products, etc.
- foetiparous — (of a marsupial) bearing young before they are fully developed.
- foliiferous — bearing leaves or leaflike structures.
- foot guards — (in Britain) an infantry unit forming part of the ceremonial guard of the monarch.
- foreclosure — the act of foreclosing a mortgage or pledge.
- foregrounds — Plural form of foreground.
- forerunners — Plural form of forerunner.
- forfeitures — Plural form of forfeiture.
- formularies — Plural form of formulary.
- formularise — (British) To express as a formula, to formulate.
- formulators — Plural form of formulator.
- formulising — formulate.
- fort eustis — a military reservation and U.S. Army training center in SE Virginia near the James River, NW of Newport News.
- fort sumter — a fort in SE South Carolina, in the harbor of Charleston: its bombardment by the Confederates opened the Civil War on April 12, 1861.
- fortuituous — By chance; by serendipity; accidental;.
- fortuneless — Unlucky, unfortunate.
- forty hours — a Roman Catholic devotion in which the Blessed Sacrament is exposed for veneration for 40 hours by the churches of a diocese sequentially for two-day periods.
- foundership — The condition of having founded something.
- four-masted — carrying four masts.
- four-poster — a bed with four corner posts, as for supporting a canopy, curtains, etc.
- four-seater — a vehicle providing seats for four people
- four-square — To stand four-square behind someone or something means to be firm in your support of that person or thing.