5-letter words that end in o
- chaco — extensive lowland plain in central South America, stretching across parts of Argentina, Paraguay, and Bolivia: c. 300,000 sq mi (776,997 sq km)
- chado — the Japanese tea ceremony
- chago — The Andean root vegetable mauka (Mirabilis expansa).
- chemo — Chemo is the same as chemotherapy.
- chiao — a Chinese monetary unit equal to one-tenth of a yuan
- chico — greasewood (sense 1)
- chimo — an exclamation of greeting among Inuit people
- chino — a durable cotton twill cloth
- chiro — a chiropractor
- choco — a member of the citizen army; militiaman
- choko — the cucumber-like fruit of a tropical American cucurbitaceous vine, Sechium edule: eaten as a vegetable in the Caribbean, Australia, and New Zealand
- cholo — a person who is descended from both European and Native American parents
- chomo — (prison slang) child molester.
- choro — (music) A genre of Brazilian popular music.
- chulo — a dandified or effeminate man.
- ciano — Galeazzo, full name Conte Galeazzo Ciano di Cortellazzo. 1903–44, Italian fascist politician; minister of foreign affairs (1936–43) and son-in-law of Mussolini, whose supporters shot him
- cipro — a synthetic antibiotic, C17H18FN3O3·HCl·H2O, used in treating urinary tract infections, lung infections, etc.
- cirio — boojum tree.
- cisco — any of various whitefish, esp Coregonus artedi, of cold deep lakes of North America
- claro — a mild light-coloured cigar
- coamo — a city in S central Puerto Rico.
- cocco — the tuber of the taro plant
- combo — A combo is a small group of musicians who play jazz, dance, or popular music.
- commo — communist.
- compo — a mixture of materials, such as mortar, plaster, etc
- condo — Condo means the same as condominium.
- congo — the second longest river in Africa, rising as the Lualaba on the Katanga plateau in the Democratic Republic of Congo and flowing in a wide northerly curve to the Atlantic: forms the border between Congo-Brazzaville and the Democratic Republic of Congo. Length: about 4800 km (3000 miles). Area of basin: about 3 000 000 sq km (1 425 000 sq miles)
- conto — a former Portuguese monetary unit worth 1000 escudos
- convo — a conversation
- corso — Council of Organizations for Relief Services Overseas
- corvo — a dry red or white wine of Sicily.
- cosmo — Cosmopolitan.
- credo — A credo is a set of beliefs, principles, or opinions that strongly influence the way a person lives or works.
- csiro — Commonwealth Scientific and Industrial Research Organization
- cudjo — (formerly, especially in creole-speaking cultures) a name given at birth to a black child, in accordance with African customs, indicating the child's sex and the day of the week on which he or she was born, as the male and female names for Sunday (Quashee and Quasheba) Monday (Cudjo or Cudjoe and Juba) Tuesday (Cubbena and Beneba) Wednesday (Quaco and Cuba or Cubba) Thursday (Quao and Abba) Friday (Cuffee or Cuffy and Pheba or Phibbi) and Saturday (Quamin or Quame and Mimba)
- cuffo — without being charged for admission
- cuneo — a city in NW Italy, in Piedmont. Pop: 52 334 (2001)
- cuomo — Mario (Matthew) 1932–2015, U.S. political leader: governor of New York 1983–95.
- cupro — Rayon made by the cuproammonium process.
- curio — A curio is an object such as a small ornament which is unusual and fairly rare.
- cusco — Cuzco
- cusso — a tree of the rose family native to the mountains of central and eastern Africa
- cutto — a large knife
- cuzco — a city in S central Peru: former capital of the Inca Empire, with extensive Inca remains; university (1692). Pop: 307 000 (2005 est)
- cyano — containing the cyano group.
- cyclo — a three-wheeled passenger vehicle, as of SE Asia, which may be pedaled like a bicycle or be motorized
- dacko — David, 1930–2003, African statesman: president of the Central African Republic 1960–66, 1979–81.
- damão — a district in W India, part of the union territory of Daman and Diu: formerly a Portuguese colony, then (1961–87) part of the union territory of Goa, Daman, and Diu.
- dambo — A kind of seasonal shallow wetland in parts of Africa.
- danio — any brightly coloured tropical freshwater cyprinid fish of the genus Danio and related genera: popular aquarium fishes