7-letter words containing o, s, i
- cirrous — having a cirrus or cirri.
- cirsoid — resembling a varix
- ciscoes — Plural form of cisco.
- cissoid — a geometric curve whose two branches meet in a cusp at the origin and are asymptotic to a line parallel to the y-axis. Its equation is y2(2a – x)=x3 where 2a is the distance between the y-axis and this line
- cistron — the section of a chromosome that encodes a single polypeptide chain
- citoles — Plural form of citole.
- citrons — Plural form of citron.
- cloison — a partition
- clonism — a series of clonic spasms
- closing — The closing part of an activity or period of time is the final part of it.
- coalise — to form a coalition
- coccids — Plural form of coccid.
- cochise — died 1874, Apache Indian chief
- cockies — Plural form of cocky.
- cockish — wanton
- codfish — a cod, esp Gadus morhua
- codices — Codices is the plural of codex.
- codings — Plural form of coding.
- codlins — Plural form of codlin.
- coesite — a form of silicon dioxide produced when high pressure and temperature are applied to quartz
- coexist — If one thing coexists with another, they exist together at the same time or in the same place. You can also say that two things coexist.
- coffins — Plural form of coffin.
- cognise — to perceive; become conscious of; know.
- coheirs — a joint heir.
- colchis — an ancient country on the Black Sea south of the Caucasus; the land of Medea and the Golden Fleece in Greek mythology
- coldish — Somewhat cold.
- colines — Plural form of coline.
- colitis — Colitis is an illness in which your colon becomes inflamed.
- collies — grime; soot.
- collins — a tall fizzy iced drink made with gin, vodka, rum, etc, mixed with fruit juice, soda water, and sugar
- colossi — (initial capital letter) the legendary bronze statue of Helios at Rhodes. Compare Seven Wonders of the World.
- coltish — A young person or animal that is coltish is full of energy but clumsy or awkward, because they lack physical skill or control.
- comfits — Plural form of comfit.
- comines — Philippe de (filip də). ?1447–?1511, French diplomat and historian, noted for his Mémoires (1489–98)
- comings — Plural form of coming.
- commies — (slang, pejorative, dated) Plural form of commie (communists).
- commish — (informal) commissioner.
- commits — Third-person singular simple present indicative form of commit.
- comtism — the philosophy of Auguste Comte; positivism.
- concise — Something that is concise says everything that is necessary without using any unnecessary words.
- confits — Plural form of confit.
- congius — a unit of liquid measure equal to 1 Imperial gallon
- conseil — a council
- consign — To consign something or someone to a place where they will be forgotten about, or to an unpleasant situation or place, means to put them there.
- consist — Something that consists of particular things or people is formed from them.
- contigs — Plural form of contig.
- cookies — a small cake made from stiff, sweet dough rolled and sliced or dropped by spoonfuls on a large, flat pan (cookie sheet) and baked.
- coolies — Plural form of coolie.
- coolish — (colloquial) Quite cool.
- coolist — a person, esp a scientist, who does not believe in global warming and the greenhouse effect