10-letter words containing o, p, s, i
- bush pilot — a pilot who flies small aircraft over rugged terrain or unsettled regions to serve remote areas inaccessible to or off the route of larger planes: Bush pilots brought supplies to the Alaskan village once a week.
- caespitose — growing in dense tufts
- caipiroska — a cocktail drink containing vodka, lime juice, sugar, and crushed ice, based on the Caipirinha cocktail but with vodka replacing the Brazilian rum-like spirit Cachaça
- calliopsis — coreopsis
- calotypist — a person who produces photographs using the calotype process
- cap pistol — a toy gun using caps to imitate the sound of a real pistol.
- capacitors — Plural form of capacitor.
- capacitous — Having the legal capacity to do something.
- caparisons — Plural form of caparison.
- capriccios — Plural form of capriccio.
- capricious — Someone who is capricious often changes their mind unexpectedly.
- capsorubin — (organic compound) A di-hydroxy, keto carotenoid, which, together with capsanthin, constitutes the red pigment of paprika.
- captiously — In a captious manner.
- cargo ship — a ship carrying cargo
- cashpoints — Plural form of cashpoint.
- cassiopeia — the wife of Cepheus and mother of Andromeda
- catoptrics — the branch of optics concerned with reflection, esp the formation of images by mirrors
- celioscope — celoscope.
- celioscopy — celoscope.
- censorship — Censorship is the censoring of books, plays, films, or reports, especially by government officials, because they are considered immoral or secret in some way.
- centipoise — one hundredth of a poise. 1 centipoise is equal to 0.001 newton second per square metre
- ceratopsid — a dinosaur belonging to the family Ceratopsidae, characterized by their parrot-like beaks, horns and neck frills
- choppiness — (of the sea, a lake, etc.) forming short, irregular, broken waves.
- chopsticks — a pair of small sticks of wood or ivory, held together in one hand and used in some Asian countries as utensils, as to lift food to the mouth
- christophe — Henri (ɑ̃ri). 1767–1820, Haitian revolutionary leader; king of Haiti (1811–20)
- circumpose — to position around, or within an encircled place
- cis person — a person who is cisgender or cissexual.
- cispontine — on the near side of the bridge
- click stop — a control device, as in a camera, that can be turned or rotated so that when it reaches a specific setting it engages with an audible click.
- clipboards — Plural form of clipboard.
- clistocarp — cleistothecium.
- clothespin — A clothespin is the same as a clothes peg.
- co-publish — to publish (something) with another person or company
- coconspire — (intransitive) To conspire together with.
- coheirship — The state of being a coheir.
- colestipol — a drug that reduces the concentration of cholesterol in the blood: used, together with dietary restriction of cholesterol, to treat selected patients with hypercholesterolaemia and so prevent atherosclerosis
- collapsing — Present participle of collapse.
- collapsion — (archaic) collapse.
- companions — Plural form of companion.
- compansion — Companding.
- comparison — When you make a comparison, you consider two or more things and discover the differences between them.
- compassing — Present participle of compass.
- compassion — Compassion is a feeling of pity, sympathy, and understanding for someone who is suffering.
- compersion — The feeling of joy one has experiencing another's joy, such as in witnessing a toddler's joy and feeling joy in response.
- complaints — A statement that a situation is unsatisfactory or unacceptable.
- completist — a person with an obsessive interest in a subject
- composited — Simple past tense and past participle of composite.
- composites — Plural form of composite.
- compositor — A compositor is a person who arranges the text and pictures of a book, magazine, or newspaper before it is printed.
- composting — the activity or practice of converting garden and kitchen waste to compost