9-letter words containing i, p, r, o
- rompingly — in a romping manner
- rompishly — in a rompish manner
- rose pink — a light pinkish red color.
- saporific — producing or imparting flavor or taste.
- saprobial — relating to saprobity
- saprolite — soft, disintegrated, usually more or less decomposed rock remaining in its original place.
- saprozoic — (of animals or plants) feeding on dead organic matter
- sarcoptic — related to or caused by itch-mites that cause mange in animals
- scorpioid — resembling a scorpion.
- scriptory — of or relating to writing
- semigroup — an algebraic system closed under an associative binary operation.
- septiform — sevenfold
- serotypic — of or relating to a serotype
- ship over — to enlist or reenlist in the U.S. Navy
- shipboard — Archaic. the deck or side of a ship. the situation of being on a ship.
- shipborne — carried on a ship.
- shipowner — a person who owns a ship or ships.
- singapore — an island on the Strait of Singapore, off the S tip of the Malay Peninsula.
- skidproof — preventing or resistant to skidding, as certain road surfaces or vehicle tires.
- skip rope — A skip rope is a piece of rope, usually with handles at each end. You exercise or play with it by turning it around and around and jumping over it.
- slip form — a form into which concrete is poured that can be slowly moved and reused in construction, as of a pavement or a building.
- slip road — A slip road is a road which cars use to drive on and off a motorway.
- slipcover — a cover of cloth or other material for a piece of furniture, as an upholstered chair or sofa, made so as to be easily removable.
- sloop rig — gaff-topsail catfish.
- soleprint — a print of the sole of a foot: often used in hospitals for identifying infants.
- sophister — a specious, unsound, or fallacious reasoner.
- sophistry — a subtle, tricky, superficially plausible, but generally fallacious method of reasoning.
- soporific — causing or tending to cause sleep.
- sopranino — a musical instrument, as a saxophone or recorder, that is a pitch higher than the soprano instrument of its class.
- sperm oil — a yellow, thin, water-insoluble liquid obtained from the sperm whale, used chiefly as a lubricant in light machinery, as watches, clocks, and scientific apparatus.
- spillover — the act of spilling over.
- spiniform — like a thorn or spine
- spinproof — (of an airplane) designed so as to be highly resistant to a tailspin.
- spiration — the act of breathing
- spiritoso — spirited; lively (used as a musical direction).
- spiritous — of the nature of spirit; immaterial, ethereal, or refined.
- spirogram — a record made by a spirograph
- spirogyra — a widely distributed filamentous freshwater green alga of the genus Spirogyra.
- spoil for — If you are spoiling for a fight, you are very eager for it to happen.
- spoliator — a plunderer
- sporangia — the case or sac in which spores are produced.
- sporeling — Botany, Mycology. the young individual developed from a spore.
- sporicide — a substance or preparation for killing spores.
- sporidesm — a multicellular group of spores
- sporidial — relating or belonging to one or more sporidia
- sporidium — a small spore produced on the basidia or promycelia of fungi, etc
- springbok — a gazelle, Antidorcas marsupialis, of southern Africa, noted for its habit of springing into the air when alarmed.
- store pig — a pig that has not yet been weaned and weighs less than 40 kg
- storeship — a government-owned ship that carries supplies to a naval fleet
- storm pit — a storm cellar.