7-letter words containing a, c, o
- callose — a carbohydrate, a polymer of glucose, found in plants, esp in the sieve tubes
- callous — A callous person or action is very cruel and shows no concern for other people or their feelings.
- callout — (communication) Outward bound telephone calls.
- callows — Plural form of callow.
- calomel — a colourless tasteless powder consisting chiefly of mercurous chloride, used medicinally, esp as a cathartic. Formula: Hg2Cl2
- caloric — Caloric means relating to calories.
- calorie — Calories are units used to measure the energy value of food. People who are on diets try to eat food that does not contain many calories.
- calotte — a skullcap worn by Roman Catholic clergy
- caloyer — a monk of the Greek Orthodox Church, esp of the Basilian Order
- caltrop — any tropical or subtropical plant of the zygophyllaceous genera Tribulus and Kallstroemia that have spiny burs or bracts
- calvino — Italo. 1923–85, Italian novelist and short-story writer. His works include Our Ancestors (1960) and Invisible Cities (1972)
- calvous — lacking all or most of the hair on the head; bald.
- calydon — ancient city in S Aetolia, central Greece
- calypso — A calypso is a song about a current subject, sung in a style which originally comes from the West Indies.
- calzone — a dish of Italian origin consisting of pizza dough folded over a filling of cheese and tomatoes, herbs, ham, etc
- camacho — Manuel Ávila [mah-nwel ah-vee-lah] /mɑˈnwɛl ˈɑ viˌlɑ/ (Show IPA). Manuel Avila Camacho.
- camaron — a freshwater crustacean resembling the crayfish
- camauro — a crimson velvet cap trimmed with ermine, worn by the pope on nonliturgical occasions.
- cambion — Lb mythology The offspring of an incubus and a human.
- camcord — (rare, transitive) To record using a camcorder.
- camelot — (in Arthurian legend) the English town where King Arthur's palace and court were situated
- cameron — David (William Donald). born 1966, British politician; leader of the Conservative party 2005–16; prime minister 2010–16
- cammock — The spiny restharrow, Ononis spinosa, a plant with long, hard, crooked roots.
- camoens — Luis Vaz de (lwiʃ vɑʃ ˈdəː). 1524–80, Portuguese epic poet; author of The Lusiads (1572)
- camogie — a form of hurling played by women
- camorra — a secret society organized in about 1820 in Naples, which thrives on blackmail and extortion
- camphol — borneol
- camphor — Camphor is a strong-smelling white substance used in various medicines, in mothballs, and in making plastics.
- campion — any of various caryophyllaceous plants of the genera Silene and Lychnis, having red, pink, or white flowers
- campong — a small village or community of houses in Malay-speaking lands.
- campout — a camping trip
- camrose — a city in central Alberta, in W Canada, near Edmonton.
- camwood — a W African leguminous tree, Baphia nitida, whose hard wood was formerly used in making a red dye
- can tho — a town in S Vietnam, on the River Mekong. Pop: 368 000 (2005 est)
- can-tho — a town in S Vietnam, on the Mekong River.
- cancion — song.
- candiot — of or relating to Candia (Iráklion) or Crete; Cretan
- candock — a yellow water lily
- candour — Candour is the quality of speaking honestly and openly about things.
- cannock — a town in W central England, in S Staffordshire: Cannock Chase (a public area of heathland, once a royal preserve) is just to the east. Pop: 65 022 (2001)
- cannoli — a Sicilian pudding of pasta shells filled with sweetened ricotta
- cannons — Plural form of cannon.
- canoing — Misspelling of canoeing.
- canolas — Plural form of canola.
- canonic — canonical
- canonry — the office, benefice, or status of a canon
- canopic — pertaining to Canopus.
- canopus — the brightest star in the constellation Carina and the second brightest star in the sky. Visual magnitude: -0.7; spectral type: F0II; distance: 313 light years
- canossa — a ruined castle in N Italy, in Emilia near Reggio nell'Emilia: scene of the penance done by the Holy Roman Emperor Henry IV before Pope Gregory VII
- cantico — to dance as part of an act of worship