9-letter words containing o, s, m
- bursiform — shaped like a pouch or sac
- bushwoman — a woman who lives in the bush
- cameroons — former region in W Africa consisting of two trust territories, French Cameroons (in 1960 forming the republic of Cameroon ) and British Cameroons (in 1961 divided between Cameroon and Nigeria)
- camisoles — Plural form of camisole.
- campesino — a Latin American rural peasant
- camporees — Plural form of camporee.
- campstool — a lightweight folding stool
- capsomere — any of the protein units that together form the capsid of a virus
- cardamoms — Plural form of cardamom.
- caseworms — Plural form of caseworm.
- castoreum — the oil secreted from the beaver which is used as bait by trappers
- castroism — the philosophy and policies of Fidel Castro and his followers
- catacombs — an underground burial place, esp the galleries at Rome, consisting of tunnels with vaults or niches leading off them for tombs
- cecostomy — Alternative spelling of caecostomy.
- centesimo — a former monetary unit of Italy, San Marino, and the Vatican City worth one hundredth of a lira
- chamfrons — Plural form of chamfron.
- chamosite — a mineral of the chlorite group, hydrous aluminum silicate of iron, occurring in gray or black crystals in oolitic iron ore.
- champions — Third-person singular simple present indicative form of champion.
- chatrooms — Plural form of chatroom.
- chemisorb — to take up (a substance) by chemisorption
- chemostat — an apparatus for growing bacterial cultures at a constant rate by controlling the supply of nutrient medium
- cheongsam — a straight dress, usually of silk or cotton, with a stand-up collar and a slit in one side of the skirt, worn by Chinese women
- chi meson — a meson with a mass 6687 times that of the electron and a mean lifetime of approximately 1.5 X 10 -20 seconds.
- chisimaio — a port in S Somalia, on the Indian Ocean. Pop: reliable recent estimates are not available
- chokeslam — A wrestling move in which someone is picked up by their neck and is driven into the mat.
- chomskyan — of or relating to Noam Chomsky or his linguistic theories, especially to transformational-generative grammar.
- choriambs — Plural form of choriamb.
- chromates — Plural form of chromate.
- cimbaloms — Plural form of cimbalom.
- cinnamons — Plural form of cinnamon.
- cis woman — an adult who was born female and whose gender identity is female.
- clamorous — If you describe people or their voices as clamorous, you mean they are talking loudly or shouting.
- classroom — A classroom is a room in a school where lessons take place.
- claymores — Plural form of claymore.
- club moss — any mosslike tracheophyte plant of the phylum Lycopodophyta, having erect or creeping stems covered with tiny overlapping leaves
- clubrooms — Plural form of clubroom.
- coal seam — a bed of coal.
- coalmines — Plural form of coalmine.
- cocainism — addiction to cocaine
- cockscomb — the comb of a domestic cock
- codenames — Plural form of codename.
- coenzymes — Plural form of coenzyme.
- cognomens — Plural form of cognomen.
- coliforms — Plural form of coliform.
- coliseums — Plural form of coliseum.
- colobomas — Plural form of coloboma.
- colosseum — an amphitheatre in Rome built about 75–80 ad
- colostomy — A colostomy is a surgical operation in which a permanent opening from the colon is made.
- colostrum — the thin milky secretion from the nipples that precedes and follows true lactation. It consists largely of serum and white blood cells
- colourism — discrimination in which people are judged on the basis of their skin colour