12-letter words containing p, i, s, t, o, r
- chromatopsia — an irregularity in the ability to see colours properly
- chymotrypsin — a powerful proteolytic enzyme secreted from the pancreas in the form of chymotrypsinogen, being converted to the active form by trypsin
- cinque ports — an association of ports on the SE coast of England, originally consisting of Hastings, Romney, Hythe, Dover, and Sandwich, which from late Anglo-Saxon times provided ships for the king's service in return for the profits of justice in their courts. The Cinque Ports declined with the growth of other ports and surrendered their charters in 1685
- co-president — a person who shares the highest position in an organization with another person
- coleopterist — a person who studies the Coleoptera
- comparatists — Plural form of comparatist.
- comparatives — Plural form of comparative.
- computerised — to control, perform, process, or store (a system, operation, or information) by means of or in an electronic computer or computers.
- computerizes — Third-person singular simple present indicative form of computerize.
- conscripting — Present participle of conscript.
- conscription — Conscription is officially making people in a particular country join the armed forces.
- conspiracist — a person who believes in or supports a conspiracy theory.
- conspiration — a conspiracy
- conspirators — Plural form of conspirator.
- conspiratory — the act of conspiring.
- contemporise — to place in or regard as belonging to the same age or time.
- contraptions — Plural form of contraption.
- cooperations — an act or instance of working or acting together for a common purpose or benefit; joint action.
- cooperatives — Plural form of cooperative.
- coppersmiths — Plural form of coppersmith.
- coprophagist — a person who eats excrement
- coprosperity — joint prosperity
- copyrighters — Plural form of copyrighter.
- corporations — Plural form of corporation.
- corporealist — a materialist
- costophrenic — Synonym of phrenicocostal.
- counterpoise — a force, influence, etc, that counterbalances another
- counterspies — Plural form of counterspy.
- cranioplasty — Surgical repair of a defect or deformity in the skull.
- crop dusting — Crop dusting is the spreading of pesticides on crops, usually from an aircraft.
- crop-dusting — the spraying of powdered fungicides or insecticides on crops, usually from an airplane.
- crossposting — Present participle of crosspost.
- cryptobiosis — a temporary state in an organism in which metabolic activity is absent or undetectable
- cryptogamist — a botanist specializing in the study of cryptogams
- cryptologist — cryptography.
- cryptomerias — Plural form of cryptomeria.
- cryptomnesia — the reappearance of a suppressed or forgotten memory which is mistaken for a new experience
- cryptomnesic — of, relating to, or characterized by cryptomnesia
- cryptorchids — Plural form of cryptorchid.
- cryptorchism — failure of one or both testes to descend into the scrotum.
- cyprinodonts — Plural form of cyprinodont.
- deaspiration — the act of deaspirating
- depilatories — Plural form of depilatory.
- deportations — Plural form of deportation.
- depositaries — Plural form of depositary.
- depositories — Plural form of depository.
- depredations — the act of preying upon or plundering; robbery; ravage.
- deprivations — Plural form of deprivation.
- descriptions — a statement, picture in words, or account that describes; descriptive representation.
- diastrophism — the process of movement and deformation of the earth's crust that gives rise to large-scale features such as continents, ocean basins, and mountains