7-letter words containing o, s, i
- cooties — a louse, especially one affecting humans, as the body louse, head louse, or pubic louse.
- copiers — Plural form of copier.
- copings — Plural form of coping.
- copious — A copious amount of something is a large amount of it.
- copyism — the practice of copying slavishly
- copyist — A copyist copies other people's music or paintings or, in the past, made written copies of documents.
- corliss — George Henry, 1817–88, U.S. engineer and inventor.
- cornish — Cornish means belonging or relating to the English county of Cornwall.
- cornist — a person who plays the horn
- coronis — a symbol placed over a contracted syllable
- corries — Plural form of corrie.
- corsair — a pirate
- corsica — an island in the Mediterranean, west of N Italy: forms, with 43 islets, a region of France; mountainous; settled by Greeks in about 560 bc; sold by Genoa to France in 1768. Capital: Ajaccio. Pop: 265 999 (2003 est). Area: 8682 sq km (3367 sq miles)
- corsive — a corrosive drug
- corvids — Plural form of corvid.
- coshing — Present participle of cosh.
- cosiest — Superlative form of cosy.
- cosines — Plural form of cosine.
- cosmine — a substance resembling dentine, forming the outer layer of cosmoid scales
- cosmism — the philosophical theory that the cosmos is a self-existent whole and was not created by a god or gods
- cosmist — an adherent of cosmism
- cosmoid — (of the scales of coelacanths and lungfish) consisting of two inner bony layers and an outer layer of cosmine
- cossies — Plural form of cossie.
- costain — Thomas Bertram, 1885–1965, U.S. novelist, historian, and editor, born in Canada.
- costing — A costing is an estimate of all the costs involved in a project or a business venture.
- costive — having constipation; constipated
- cosying — snugly warm and comfortable: a cozy little house.
- cottise — a narrow stripe that usually occurs as one of a pair, with each stripe occurring on either side of a bend, fess, or other charge, and each being one fourth of a bend in breadth
- coueism — a method of self-help stressing autosuggestion, popular especially in the U.S. c1920 and featuring the slogan “Day by day in every way I am getting better and better.”.
- cousins — A child of one's uncle or aunt.
- covings — Plural form of coving.
- cowdies — Plural form of cowdie.
- cowfish — any trunkfish, such as Lactophrys quadricornis, having hornlike spines over the eyes
- cowives — Alternative form of co-wives.
- cowpies — Plural form of cowpie.
- cowries — Plural form of cowrie.
- cowskin — the skin of a cow.
- cowslip — A cowslip is a small wild plant with yellow, sweet-smelling flowers.
- coxitis — an inflammation of the hip joint
- coziest — snugly warm and comfortable: a cozy little house.
- crimson — Something that is crimson is deep red in colour.
- crinose — hairy
- cronies — Plural form of crony.
- cronish — a withered, witchlike old woman.
- croquis — a rough sketch of a live model
- crosier — a staff surmounted by a crook or cross, carried by bishops as a symbol of pastoral office
- cuboids — Plural form of cuboid.
- curiosa — curiosities
- curious — eager to learn; inquisitive
- cushion — A cushion is a fabric case filled with soft material, which you put on a seat to make it more comfortable.