| Cinabrio | Cinnabar |
| cinc | zinc |
| cincel | chisel |
| cinceladura | chasing |
| cincelar | sculpture |
| cincha | girth |
| cincho | belt |
| Cinchona pubescens | Cinchona pubescens |
| Cincinato | Cincinnatus |
| Cincinnati Bengals | Cincinnati Bengals |
| Cinclus cinclus | White-throated Dipper |
| cinco | five |
| Cinco de mayo | Cinco de Mayo |
| Cinco Dinastías | Five Dynasties and Ten Kingdoms Period |
| Cinco Elementos | Wu Xing |
| Cinco Familias | Five Families |
| cinco mil | five thousand |
| Cinco presos degollados en rebelión en interior de São Paulo | Five beheaded during violent prison riot in Brazil |
| Cinco semanas en globo | Five Weeks in a Balloon |
| cinco sentidos | five senses |
| Cinco Tribus Civilizadas | Five Civilized Tribes |
| Cincográfico | Zincographic |
| cincuenta | fifty |
| cincuenta y cinco | fifty-five |
| cincuenta y cuatro | fifty-four |
| cincuenta y dos | fifty-two |
| cincuenta y nueve | fifty-nine |
| cincuenta y ocho | fifty-eight |
| cincuenta y seis | fifty-six |
| cincuenta y siete | fifty-seven |
| cincuenta y tres | fifty-three |
| cincuenta y uno | fifty-one |
| cincuentavo | fiftieth |
| cincuentenario | golden jubilee |
| Cindy Crawford | Cindy Crawford |
| cine | movie |
| Cine bélico | War film |
| Cine catástrofe | Disaster film |
| Cine de Argentina | Cinema of Argentina |
| Cine de autor | Independent film |
| Cine de aventuras | Adventure film |
| Cine de Bélgica | Cinema of Belgium |
| Cine de China | Cinema of China |
| Cine de ciencia ficción | Science fiction film |
| Cine de Colombia | List of Colombian films |
| Cine de Francia | Cinema of France |
| Cine de gángsters | Crime film |
| Cine de India | Cinema of India |
| Cine de Japón | Cinema of Japan |
| Cine de Portugal | Cinema of Portugal |
| Cine de realidad | Direct Cinema |
| Cine de Rusia | Cinema of Russia |
| Cine de Suecia | Cinema of Sweden |
| Cine en casa | Home cinema |
| Cine en esperanto | Esperanto film |
| Cine en Estados Unidos | Cinema of the United States |
| Cine español | Cinema of Spain |
| Cine experimental | Art film |
| Cine expresionista alemán | German Expressionism |
| Cine fantástico | Fantasy film |
| Cine Gore | Bat |
| Cine independiente | Independent film |
| Cine italiano | Cinema of Italy |
| Cine mexicano | Cinema of Mexico |
| cine mudo | silent film |
| Cine musical | Musical film |
| Cine negro | Film noir |
| Cine porno | Pornographic movie |
| Cine pornográfico | Pornographic film |
| Cineclub | Film club |
| Cinema Novo | Cinema Novo |
| Cinema Paradiso | Cinema Paradiso |
| cinematografía | cinematography |
| cinematográfico | cinematic |
| cinematógrafo | cinema |
| Cinemática | Kinematics |
| Cinemática de los gases | Gas kinematics |
| Cinemática Inversa | Inverse kinematics |
| cinemático | cinematic |
| Cinerama | Cinerama |
| cineraria | cineraria |
| cinesonoro | talkie |
| cingalés | Sinhalese |
| Cinisca | Cynisca |
| cinismo | cynicism |
| Cinnamomum | Cinnamomum |
| Cinnamomum camphora | Cinnamomum camphora |
| Cinnamomum verum | Cinnamon |
| Cinosura | Cynosura |
| Cinquecento | Cinquecento |
| cinta | tape |
| cinta adhesiva | masking tape |
| cinta aisladora | electrical tape |
| cinta aislante | electrical tape |
| cinta americana | duck tape |
| cinta de aislar | electrical tape |
| cinta de goma | elastic band |
| cinta eléctrica | electrical tape |
| cinta escocesa | Scotch tape |
| cinta magnetofónica | tape |
| Cinta magnétca | Tape |
| cinta magnética | magnetic tape |
| Cinta magnética de almacenamiento de datos | Magnetic tape data storage |
| cinta métrica | tape |
| cinta para cabellos | headband |
| cinta pegante | Scotch tape |
| cinta plateada | duck tape |
| cinta scotch | tape |
| cinta transportadora | conveyor |
| Cintia | Cynthia |
| cintillo | snood |
| cinto | belt |
| Cintra | Sexten |
| cintura | waistline |
| Cinturones de Van Allen | Van Allen radiation belt |
| cinturón | safety belt |
| Cinturón bilingüe | Bilingual belt |
| Cinturón cohete | Jet pack |
| Cinturón de asteroides | Asteroid belt |
| cinturón de castidad | chastity belt |
| Cinturón de Fuego del Pacífico | Pacific Ring of Fire |
| Cinturón de Gould | Goulds belt |
| Cinturón de Kuiper | Kuiper belt |
| Cinturón de radiación | Radiation belt |
| cinturón de seguridad | safety belt |
| Cinturón de Van Allen | Van Allen radiation belt |
| cinturón negro | black belt |
| cinturón salvavidas | life belt |
| cinvocarás | forevermore |
| cinéfilo | cinephile |
| cinética | kinetics |
| Cinética de Michaelis-Menten | Michaelis-Menten kinetics |
| Cinética enzimática | Enzyme kinetics |
| cinético | kinetic |
| Ciompi | Ciompi |
| Ciorbă | Ciorbă |
| Ciordia | Ziordia |
| cipayo | sepoy |
| Cipetes I de Bitinia | Zipoites I of Bithynia |
| Cipher Pol | Cipher Pol |
| Cipolletti | Cipolletti |
| cipote | dick |
| Cipria | Cypria |
| Ciprian Marica | Ciprian Marica |
| Cipriano Castro | Cipriano Castro |
| Cipriano de Cartago | Cyprian |
| Cipriano de Rore | Cipriano de Rore |
| Cipriano Mera Sanz | Cipriano Mera |
| ciprés | cypress |
| Cipselo | Cypselus |
| CipSoft GmbH | CipSoft GmbH |
| Circaeaster agrestis | Circaeaster agrestis |
| Circaetinae | Circaetinae |
| Circe | Circe |
| Circinus | Circinus |
| Circle Line | Circle line |
| circo | circus |
| Circo de Gavarnie | Cirque de Gavarnie |
| Circo Máximo | Circus Maximus |
| Circo romano | Circus |
| circona | zirconia |
| circona cúbica | cubic zirconia |
| circonato | zirconate |
| circonio | zirconium |
