12-letter words containing h, i, n
- co-ownership — the fact or state of being one of the joint owners of something
- cochairwoman — a woman who cochairs an organization
- cochin china — a former French colony of Indochina (1862–1948): now the part of Vietnam that lies south of Phan Thiet
- cochin-china — a former state in S French Indochina: now part of Vietnam.
- cockfighting — The sport (illegal in certain countries) of setting two cocks to fight each other. Fighting cocks often have had their legs fitted with metal spurs.
- cockthrowing — the sport of knocking down, or killing, a cock that is tied to a post
- code-sharing — a commercial agreement between two airlines that allows passengers to use a ticket from one airline to travel on another
- coding sheet — a form on which a program is written
- codling moth — a tortricid moth, Carpocapsa pomonella, the larvae of which are a pest of apples
- coelacanthic — of or relating to the coelacanth
- coenesthesia — general awareness of one's own body
- cohabitating — cohabit.
- cohabitation — the state or condition of living together in a conjugal relationship without being married
- cohesionless — lacking cohesion
- cohesiveness — characterized by or causing cohesion: a cohesive agent.
- coin changer — a machine that gives change rapidly, as to a customer, typically operated by a manual keyboard and often used in association with a cash register.
- coin machine — slot machine (def 2).
- column shift — A column shift is a gearshift lever mounted on the steering column.
- conchiferous — (esp of molluscs) having or producing a shell
- conchoidally — In a conchoidal manner.
- conchologist — One who collects shells, especially for the purpose of scientific study.
- conidiophore — a simple or branched hypha that bears spores (conidia) in such fungi as Penicillium
- constraineth — Archaic third-person singular form of constrain.
- consumership — the state of being a consumer
- contact high — a state of altered consciousness caused by inhaling the drugs other people are smoking
- copy machine — A copy machine is the same as a copier.
- copyrighting — Present participle of copyright.
- corn whiskey — a whisky made from maize
- corner chair — a chair having an approximately square seat with a leg at each corner and a back extending around two adjacent sides.
- cornhuskings — Plural form of cornhusking.
- cornishwoman — a woman who is a native or inhabitant of Cornwall
- costophrenic — Synonym of phrenicocostal.
- couchsurfing — Couchsurfing is the practice of sleeping at the houses of several different people for a period of time without paying.
- counterlight — a light opposite something, such as a painting, that negatively affects the appearance of that object
- counterweigh — counterbalance
- craftmanship — Alternative form of craftsmanship.
- craniography — examination of the skull as depicted by craniographs, photographs, and charts.
- crapehanging — the practice of hanging crape, esp as a sign of mourning
- cringeworthy — Causing feelings of embarrassment or awkwardness.
- criosphinxes — Plural form of criosphinx.
- curtain hook — a hook used to attach a curtain to a curtain rail
- cushion pink — a low-growing mountain plant, Silene acaulis, of Europe and North America, having deep pink to purplish, solitary flowers and forming mosslike patches on rocky or barren ground.
- cyanohydrins — Plural form of cyanohydrin.
- cytochalasin — any of a group of metabolites derived from fungus that interfere with cell processes
- daniel shays — Daniel, 1747–1825, American Revolutionary War soldier: leader of a popular insurrection (Shays' Rebellion) in Massachusetts 1786–87.
- daphnephoria — an ancient Greek festival in honor of Apollo.
- daughterling — a small daughter
- de havilland — Sir Geoffrey. 1882–1965, British aircraft designer. He produced many military aircraft and the first jet airliners
- death notice — a public announcement, e.g. in a newspaper, that someone has died
- dechlorinate — to remove chlorine from (a substance)