13-letter words containing i, n, r, u, s
- equestriennes — Plural form of equestrienne.
- eurocommunism — the policies, doctrines, and practices of Communist Parties in Western Europe in the 1970s and 1980s, esp those rejecting democratic centralism and favouring nonalignment with the Soviet Union and China
- eusporangiate — (of ferns) having each sporangium developing from a group of cells, rather than a single cell, and with no specialized dispersal of spores
- excursionists — Plural form of excursionist.
- excursiveness — The quality of being discursive.
- extinguishers — Plural form of extinguisher.
- fermentitious — of a fermenting nature
- ferociousness — savagely fierce, as a wild beast, person, action, or aspect; violently cruel: a ferocious beating.
- filibustering — Present participle of filibuster.
- film industry — all the companies, studios, people etc involved in making commercial films collectively
- fine adjuster — (jargon, tool, humour) A tool used for percussive maintenance, also known as a "hammer".
- fish geranium — zonal geranium.
- floor cushion — a cushion placed on the floor of a room for people to sit on
- flourishingly — In a flourishing way; tending to succeed and grow.
- flugelhornist — One who plays the flugelhorn.
- fluoroscoping — Present participle of fluoroscope.
- flying circus — a squadron of airplanes operating together, especially any of several squadrons of famous World War I aviators.
- flying saucer — any of various disk-shaped objects allegedly seen flying at high speeds and altitudes, often with extreme changes in speed and direction, and thought by some to be manned by intelligent beings from outer space.
- food industry — the industry surrounding the production of food
- forcing house — a place where growth or maturity (as of fruit, animals, etc) is artificially hastened
- foreconscious — the preconscious.
- formularising — Present participle of formularise.
- fortitudinous — having or showing fortitude; marked by bravery or courage.
- fractiousness — refractory or unruly: a fractious animal that would not submit to the harness.
- frelinghuysen — Frederick Theodore, 1817–85, U.S. statesman.
- freudian slip — (in Freudian psychology) an inadvertent mistake in speech or writing that is thought to reveal a person's unconscious motives, wishes, or attitudes.
- frightfulness — The quality of being frightful.
- frivolousness — characterized by lack of seriousness or sense: frivolous conduct.
- fruitlessness — The quality of being fruitless.
- frumentarious — of or relating to wheat or a similar grain
- frustratingly — to make (plans, efforts, etc.) worthless or of no avail; defeat; nullify: The student's indifference frustrated the teacher's efforts to help him.
- functionaries — Plural form of functionary.
- furaciousness — the quality of being furacious or thievish
- furring strip — a strip of wood or metal fixed to a wall, floor, or ceiling to provide a surface for the fixing of plasterboard, floorboards, etc
- furshlugginer — crazy; foolish
- futilitarians — Plural form of futilitarian.
- gap insurance — GAP insurance pays the difference between what someone owes on their car loan and the actual cash value of the vehicle in the event that it is stolen or damaged.
- garnetiferous — containing or yielding garnets.
- gastrocnemius — the largest muscle in the calf of the leg, the action of which extends the foot, raises the heel, and assists in bending the knee.
- geminiflorous — having flowers arranged in pairs.
- genre-busting — not conforming to established patterns, styles, etc
- glass curtain — a transparent or translucent curtain covering the interior of a window opening.
- glucuronidase — an enzyme that catalyzes glucuronide hydrolysis
- gourmandizers — Plural form of gourmandizer.
- grain sorghum — any of several varieties of sorghum, as durra or milo, having starchy seeds, grown for grain and forage.
- graminicolous — (esp of parasitic fungi) living on grass
- graminivorous — feeding or subsisting on grass: a graminivorous bird.
- grandiloquous — grandiloquent
- granuliferous — full of granules, or producing granules
- great russian — a member of the main stock of the Russian people, dwelling chiefly in the northern or central parts of the Russian Federation in Europe.