| Corticeira | Erythrina crista-galli |
| Corticiasca | Corticiasca |
| cortina | screen |
| Cortina de Ferro | Iron Curtain |
| cortina de fumaça | smoke screen |
| Cortina sulla strada del vino | Kurtinig an der Weinstraße |
| cortisona | cortisone |
| cortiça | screen |
| cortiço | tenement |
| Cortiçol-de-namaqua | Namaqua Sandgrouse |
| Corto Maltese | Corto Maltese |
| Cortona | Cortona |
| Cortés | Cortés |
| cortês | civil |
| Corubos | Korubo |
| coruchéu | spire |
| coruja | owl |
| coruja das neves | snowy owl |
| Coruja-buraqueira | Burrowing Owl |
| coruja-das-torres | barn owl |
| Coruja-de-Palau | Palau Owl |
| coruja-do-mato | tawny owl |
| Coruja-moura | Marsh Owl |
| Coruja-orelhuda | Striped Owl |
| Coruja-pequena | Long-eared Owl |
| corujinha | screech owl |
| corujão | eagle owl |
| Corumbá | Corumbá |
| corundo | corundum |
| Corunha | A Coruña |
| coruscar | to sparkle |
| Corvara in Badia | Corvara |
| Corvera de Asturias | Corvera de Asturias |
| corveta | corvette |
| Corvidae | Corvidae |
| corvino | corvine |
| corvo | crow |
| corvo marinho | cormorant |
| Corvo-americano | American Crow |
| Corvo-da-nova-caledónia | New Caledonian Crow |
| Corvo-do-cabo | Cape Crow |
| corvo-marinho | cormorant |
| Corvo-marinho-de-faces-brancas | Great Cormorant |
| corvoo | crow |
| Corvus | Corvus |
| Corvus bennetti | Little Crow |
| Corvus caurinus | Northwestern Crow |
| Corvus coronoides | Australian Raven |
| Corvus cryptoleucus | Chihuahuan Raven |
| Corvus imparatus | Tamaulipas Crow |
| Corvus mellori | Little Raven |
| Corvus orru | Torresian Crow |
| Corvus ossifragus | Fish Crow |
| Corvus sinaloae | Sinaloan Crow |
| Corvus tasmanicus | Forest Raven |
| Corvéia | Corvée |
| Cory in the House | Cory in the House |
| Cory Lidle | Cory Lidle |
| Coryanthes | Coryanthes |
| Corydoras aeneus | Bronze corydoras |
| Corydoras haraldschultzi | Corydoras haraldschultzi |
| Corydoras paleatus | Corydoras paleatus |
| Corylus | Hazel |
| Corypha | Corypha |
| Coryphaena equiselis | Pompano dolphinfish |
| Coryphaena hippurus | Mahi-mahi |
| Coryphaenidae | Coryphaenidae |
| Corytophanidae | Corytophanidae |
| Corásmia | Chorasmia |
| Corãovocais | Koran steed |
| corça | doe |
| corçavocais | doer |
| corço | roe deer |
| corção | dye |
| Coréia | Korea |
| Coréia do Sul | South Korea |
| Corícia | Corycus |
| Coríndon | Corundum |
| Cosa Nostra | Mafia |
| COSATU | Congress of South African Trade Unions |
| coser | sew |
| cosero | to sewle |
