9-letter words containing a, c, o, u
- proseucha — a place of prayer, esp for Jewish worship
- quebracho — any of several tropical American trees of the genus Schinopsis, having very hard wood, especially S. lorentzii, the wood and bark of which are important in tanning and dyeing.
- quoad hoc — as much as this; to this extent.
- raceabout — a small, sloop-rigged racing yacht with a short bowsprit.
- raconteur — a person who is skilled in relating stories and anecdotes interestingly.
- rancorous — full of or showing rancor.
- rapacious — given to seizing for plunder or the satisfaction of greed.
- raucously — harsh; strident; grating: raucous voices; raucous laughter.
- razor cut — a fluffy hairstyle, usually tapering at the neck, trimmed by a razor
- recaution — alertness and prudence in a hazardous situation; care; wariness: Landslides ahead—proceed with caution.
- recountal — an act of recounting.
- rhizocaul — a rootlike stem or stalk
- rosaceous — belonging to the plant family Rosaceae. Compare rose family.
- rotachute — a device serving the same purpose as a parachute, in which the canopy is replaced by freely revolving rotor blades, used for the delivery of stores or recovery of missiles
- roubiliac — Louis-François (lwifrɑ̃swa). ?1695–1762, French sculptor: lived chiefly in England: his sculptures include the statue of Handel in Vauxhall Gardens (1737)
- roughback — any of several large American flatfishes having rough skin, especially Hippoglossoides platessoides, a species of plaice.
- roughcast — Also called spatter dash. an exterior wall finish composed of mortar and fine pebbles mixed together and dashed against the wall. Compare pebble dash.
- rounceval — a variety of large pea
- roundarch — having rounded arches
- ructation — an eructation or belch
- rudaceous — (of conglomerate, breccia, and similar rocks) composed of coarse-grained material
- rutaceous — of or like rue.
- sagacious — having or showing acute mental discernment and keen practical sense; shrewd: a sagacious lawyer.
- salacious — lustful or lecherous.
- sauceboat — a low, boat-shaped container for serving sauce or gravy, typically having a handle at one end and a long, wide lip at the other end.
- saucisson — a large and thick sausage
- scopulate — broom-shaped; brushlike.
- scout car — a fast, lightly-armored military vehicle equipped with guns and used chiefly for reconnaissance.
- scrub oak — any of several oaks, as Quercus ilicifolia and Q. prinoides, characterized by a scrubby manner of growth, usually found in dry, rocky soil.
- scrutator — a person who investigates.
- scumboard — a board or strip of material partly immersed in flowing water to hold back scum.
- scybalous — of or relating to scybalum
- sea scout — (often initial capital letters) a member of a scouting program that provides training in boating and other water activities.
- sebaceous — pertaining to, of the nature of, or resembling tallow or fat; fatty; greasy.
- setaceous — bristlelike; bristle-shaped.
- solacious — providing solace
- soul cake — a round, sweet bun or small, oval cake, traditionally made to celebrate All Souls' Day.
- soundcard — A soundcard is a piece of equipment which can be put into a computer so that the computer can produce music or other sounds.
- soy sauce — a salty, fermented sauce prepared from soybeans, used in East Asian cuisine.
- space out — the unlimited or incalculably great three-dimensional realm or expanse in which all material objects are located and all events occur.
- stroupach — a cup of tea
- subaction — an act of subduing
- subatomic — of or relating to a process that occurs within an atom.
- subcantor — a deputy to a cantor
- subcostal — below the rib
- subdeacon — a member of the clerical order next below that of deacon.
- submucosa — the layer of connective tissue located beneath the mucous membrane.
- suboctave — an octave below another octave
- subocular — below or under the eye
- subsocial — without a definite social structure.