| Ciro | Cyrus |
| Ciro el Joven | Cyrus de Jongere |
| Ciro II el Grande | Cyrus II |
| Cirque du Soleil | Cirque du Soleil |
| Cirripedia | Rankpootkreeften |
| cirro | cirrus |
| cirrosis | levercirrose |
| Cirrostrato | Cirrostratus |
| Cirrus uncinus | Cirrus uncinus |
| Cirsium acaule | Aarddistel |
| Cirsium arvense | Akkerdistel |
| Cirsium dissectum | Spaanse ruiter |
| Cirsium eriophorum | Wollige distel |
| Cirsium oleraceum | Moesdistel |
| Cirsium vulgare | Speerdistel |
| ciruela | pruim |
| ciruela claudia | reine-claude |
| ciruela damascena | damastpruim |
| ciruela pasa | gedroogde pruim |
| cirugía | operatie |
| cirugía a corazón abierto | openhartchirurgie |
| cirugía estética | face-lift |
| cirugía plástica | face-lift |
| cirujana | chirurg |
| cirujana veterinaria | paardearts |
| cirujano | chirurg |
| cirujano dentista | tandarts |
| cirujano veterinario | paardearts |
| Ciryaher | Hyarmendacil I |
| Ciríaco de Ancona | Cyriacus van Ancona |
| cirílico | cyrillisch |
| Cisalpino | Cisalpino |
| Cisco Certified Network Associate | Cisco Career Certifications |
| Cisco Systems | Cisco Systems |
| Cisjordania | Westelijke Jordaanoever |
| Ciskei | Ciskei |
| Cisleitania | Cisleithanië |
| cisma | schisma |
| Cisma de Occidente | Westers Schisma |
| Cisma de Oriente y Occidente | Oosters Schisma |
| cismático | schismatiek |
| cisne | zwaan |
| cisne silbador | kleine zwaan |
| CISSP | CISSP |
| Cista | Cistus |
| Cistaceae | Zonneroosjesfamilie |
| cisterna | tank |
| Cisterna de Basílica | Basilica Cisterne |
| Cisticercosis | Cysticercose |
| cistitis | cystitis |
| Cistoscopia | Cystoscopie |
| Cistus | Cistus |
| cita | afspraak |
| cita a ciegas | afspraak tussen onbekende man en vrouw |
| Cita con la muerte | Shadow of the Thin Man |
| Cita con un muerto | Dead Man Dating |
