9-letter words containing s, p, a, i
- spinebash — to rest; loaf.
- spinnaker — a large, usually triangular sail carried by a yacht as a headsail when running before the wind or when the wind is abaft the beam.
- spinulate — having a spine or spines
- spiny rat — any of various ratlike rodents of the genus Echimys, inhabiting forests of Central and South America, most having bristly fur.
- spiraling — Geometry. a plane curve generated by a point moving around a fixed point while constantly receding from or approaching it.
- spiralism — an individual's ascent in spiral structure
- spiralist — a person or thing that ascends in a spiral structure
- spirality — the spiral nature of a curve
- spiralled — Geometry. a plane curve generated by a point moving around a fixed point while constantly receding from or approaching it.
- spiraster — a part of a living sponge
- spiration — the act of breathing
- spirillar — any of several spirally twisted, aerobic bacteria of the genus Spirillum, certain species of which are pathogenic for humans.
- spiritual — of, relating to, or consisting of spirit; incorporeal.
- spirogram — a record made by a spirograph
- spirogyra — a widely distributed filamentous freshwater green alga of the genus Spirogyra.
- spirulina — any of the blue-green algae of the genus Spirulina, sometimes added to food for its nutrient value.
- spissatus — (of a cloud) dense enough to obscure the sun.
- split pea — a dried green pea, split and used especially for soup.
- splittail — a minnow, Pogonichthys macrolepidotus, of the Sacramento River, having the upper lobe of the tail much longer than the lower lobe: habitat changes have greatly reduced its numbers.
- spoilable — able to be spoiled
- spoilsman — a person who seeks or receives a share in political spoils.
- spoliator — a plunderer
- sponsalia — marriage; espousals
- sporangia — the case or sac in which spores are produced.
- sporidial — relating or belonging to one or more sporidia
- spragging — a pole or bar hinged to the rear axle of a cart or the like in such a way that it can brace the vehicle against a road to prevent it from rolling downhill.
- sprawling — to be stretched or spread out in an unnatural or ungraceful manner: The puppy's legs sprawled in all directions.
- sprekelia — a bulbous plant, Sprekelia formosissima, from Mexico and Guatemala, related to hippeastrum and grown for its striking crimson or white pendent flowers, in the form of a cross: family Amaryllidaceae
- sprigtail — the pintail, Anas acuta.
- springald — a youth; young fellow.
- spritsail — a sail extended by a sprit.
- stairstep — a step in a staircase.
- standpipe — a vertical pipe or tower into which water is pumped to obtain a required head.
- stapedial — the innermost, stirrup-shaped bone of a chain of three small bones in the middle ear of humans and other mammals, involved in the conduction of sound vibrations to the inner ear. Also called stirrup. Compare incus (def 1), malleus.
- stapedius — the small muscle in the inner ear attached to and controlling the stapes
- steampipe — a pipe for conveying steam from a boiler.
- steamship — a large commercial vessel, especially one driven by steam.
- stenopaic — (of an optic device) having a narrow opening devised to improve eyesight by limiting obscurations
- stepchair — a set of steps folding into a chair.
- stephanie — a female given name.
- stipitate — having or supported by a stipe: a stipitate ovary.
- stipulate — to make an express demand or arrangement as a condition of agreement (often followed by for).
- strap-oil — a beating
- strapline — a subheading in a newspaper or magazine article or in any advertisement
- strapping — powerfully built; robust.
- strip map — a map charting only the immediate territory to be traversed, which appears as a long, narrow strip.
- subalpine — pertaining to the regions at the foot of the Alps.
- subapical — located below the apex.
- subprimal — (of meat) being a cut of meat larger than a steak, roast, or other single cut but smaller than a side of beef: shipped by the packer to local markets for final cutting to reduce processing costs and to retard spoilage.
- sugar pie — an open pie with a brown sugar filling