| cierpieć | endure |
| Cierpieć z miłości | A Deusa Vencida |
| cierpiący na niestrawność | dyspeptic |
| cierpliwość | patience |
| cierń | thorn |
| ciesak | adze |
| Cieszanów | Cieszanów |
| Cieszyn | Cieszyn |
| cieszyć | tickle |
| cietrzew | grouse |
| Cieúnina | Sound |
| cień | shadow |
| Cień anioła | Dark Angel |
| cień do powiek | eye shadow |
| Cień sejsmiczny | Shadow zone |
| Cień wampira | Shadow of the Vampire |
| Cień wiatru | The Shadow of the Wind |
| cieśla | carpenter |
| Cieśnina | Sound |
| Cieśnina Bassa | Bass Strait |
| Cieśnina Beringa | Bering Strait |
| Cieśnina Cabota | Cabot Strait |
| Cieśnina Cooka | Cook Strait |
| Cieśnina Davisa | Davis Strait |
| Cieśnina Duńska | Denmark Strait |
| Cieśnina East River | East River |
| Cieśnina Florydzka | Straits of Florida |
| Cieśnina Gibraltarska | Strait of Gibraltar |
| Cieśnina Hudsona | Hudson Strait |
| Cieśnina Irbeńska | Irbe Strait |
| Cieśnina Jugorskij Szar | Yugorsky Strait |
| Cieśnina Jukatańska | Yucatán Channel |
| Cieśnina Kaletańska | Dover |
| Cieśnina Kalmarska | Kalmar Strait |
| Cieśnina Karimata | Karimata Strait |
| Cieśnina Kerczeńska | Strait of Kerch |
| Cieśnina Koreańska | Korea Strait |
| Cieśnina Lancastera | Lancaster Sound |
| Cieśnina Lombok | Lombok Strait |
| Cieśnina Mackinac | Straits of Mackinac |
| Cieśnina Magellana | Strait of Magellan |
| Cieśnina Makasarska | Makassar Strait |
| Cieśnina Malakka | Strait of Malacca |
| Cieśnina Matoczkin Szar | Matochkin Strait |
| Cieśnina Mentawai | Mentawai Strait |
| Cieśnina Mesyńska | Strait of Messina |
| Cieśnina morska | Strait |
| Cieśnina Palk | Palk Strait |
| Cieśnina Pilawska | Strait of Baltiysk |
| Cieśnina San Bernardino | San Bernardino Strait |
| Cieśnina Sundajska | Sunda Strait |
| Cieśnina Sycylijska | Strait of Sicily |
| Cieśnina Tajwańska | Taiwan Strait |
| Cieśnina Tatarska | Strait of Tartary |
| Cieśnina Tirańska | Straits of Tiran |
| Cieśnina Torresa | Torres Strait |
| Cieśnina Tsugaru | Tsugaru Strait |
| Cieśnina Zawietrzna | Windward Passage |
| Cieśniny Duńskie | Danish straits |
| cieśń gardzieli | isthmus of the fauces |
| CIF | Common Intermediate Format |
| Cih | Gamma Cassiopeiae |
| Cihuacoatl | Cihuacoatl |
| ciii | shh |
| Cilacap | Cilacap Regency |
| Cimabue | Cimabue |
| Cimadera | Cimadera |
| Cimetière des Chiens | Cimetière des Chiens |
| CIMIC | Civil-Military Co-operation |
| Cimitirul Vesel | Merry Cemetery |
| Cimişlia | Cimişlia |
| Cincinnati Bengals | Cincinnati Bengals |
| Cincinnati Reds | Cincinnati Reds |
| Cindy Crawford | Cindy Crawford |
| Cinema Paradiso | Cinema Paradiso |
| Cinematic Orchestra | The Cinematic Orchestra |
| Cinerama | Cinerama |
| Cinquedea | Cinquedea |
| ciocia | aunt |
| cios | blow |
| Cios pięścią | Punch |
| ciota | faggot |
| ciotka | aunt |
| ciołek | lump |
| Ciołek Poniatowskiego | Taurus Poniatovii |
| cipa | snatch |
| cipka | wee-wee |
| Cipolletti | Cipolletti |
| Ciprian Marica | Ciprian Marica |
| cipsko | cunt |
| CipSoft | CipSoft GmbH |
| Circle | Circle |
| Circuit de Catalunya | Circuit de Catalunya |
| Circuit de Monaco | Circuit de Monaco |
| Circuit de Nevers Magny-Cours | Circuit de Nevers Magny-Cours |
| Circuit de Spa-Francorchamps | Circuit de Spa-Francorchamps |
| Circuit Gilles Villeneuve | Circuit Gilles Villeneuve |
| Circus Maximus | Circus Maximus |
| Ciriaco De Mita | Ciriaco de Mita |
| Ciriè | Cirié |
| Ciro Ferrara | Ciro Ferrara |
| Ciroc | Cîroc |
| Cirque du Soleil | Cirque du Soleil |
| cis | yew |
| cis japoński | Japanese Yew |
| Cis pospolity | Taxus baccata |
| Cis-dur | C-sharp major |
| cis-moll | c-sharp minor |
| Cisa | Tisza |
| CISAC | Confédération Internationale des Sociétés d´Auteurs et Compositeurs |
| CISC | Complex instruction set computer |
| Cisco | Cisco Systems |
| Cisco Discovery Protocol | Cisco Discovery Protocol |
| cisis | C double sharp |
| Ciskei | Ciskei |
| Cisnădie | Cisnădie |
| cisoida | cissoid |
| Cisoida Dioklesa | Cissoid of Diocles |
| Cisowate | Taxaceae |
| cisowy | yew |
| Cisplatyna | Cisplatin |
| CISSP | Certified Information Systems Security Professional |
| cisural | Cisuralian |
| cisza | silence |
| cisza jak makiem zasiał | one might hear a pin drop |
| citalopram | citalopram |
| CITES | CITES |
| CITIC Plaza | CITIC Plaza |
| Citigroup Center | Citigroup Center |
| Citius-Altius-Fortius | Olympic motto |
| Citizendium | Citizendium |
| Citroën | Citroën |
| Citroën Ami | Citroën Ami |
| Citroën Axel | Citroën Axel |
| Citroën Berlingo | Peugeot Partner |
| Citroën DS | Citroën DS |
| Citroën Evasion | Eurovan |
| Citroën GS | Citroën GS |
| Citroën HY | Citroën H Van |
| Citroën Jumper | Citroën Jumper |
| Citroën Méhari | Citroën Méhari |
| Citroën XM | Citroën XM |
| Città della Pieve | Città della Pieve |
| Città di Castello | Città di Castello |
| City of London | City of London |
| City of Manchester Stadium | City of Manchester Stadium |
| City of Westminster | City of Westminster |
| Cityrunner | Flexity Outlook |
| CitySpire Center | CitySpire Center |
| ciuciubabka | blind man's buff |
| Ciudad Bolívar | Ciudad Bolívar |
| Ciudad del Este | Ciudad del Este |
| Ciudad Guayana | Ciudad Guayana |
| Ciudad Juárez | Ciudad Juárez |
| Ciudad Real | Ciudad Real |
| Ciudad Victoria | Ciudad Victoria |
| Ciurupińsk | Tsiurupynsk |
| Ciutat Vella | Ciutat Vella |
| Cividale del Friuli | Cividale del Friuli |
| Cividate Camuno | Cividate Camuno |
| Civilization | Civilization |
| Civilization II | Civilization II |
| Civilization III | Civilization III |
| Civilization IV | Civilization IV |
| Civitavecchia | Civitavecchia |
| CIWS | Close-in weapon system |
| Cixi | Empress Dowager Cixi |
| Cize | Cize |
| Cizeta | Cizeta |
| ciąg | sequence |
| ciąg arytmetyczny | arithmetic progression |
| ciąg dalszy nastąpi | to be continued |
| Ciąg Fareya | Farey sequence |
| Ciąg Fibonacciego | Fibonacci number |
| ciąg geometryczny | geometric progression |
| Ciąg główny | Main sequence |
| Ciąg kompozycyjny | Composition series |
| Ciąg subnormalny | Series |
| Ciąg uogólniony | Net |
| Ciąg wektorowany | Thrust vectoring |
| ciągle | still |
| ciągnie swój do swego | birds of a feather flock together |
| ciągnik | agrimotor |
| Ciągnik artyleryjski | Artillery tractor |
| ciągnąć | draw |
| ciągnąć kogoś za język | cross-question |
| ciągłe kształcenie | continuing education |
| ciągły | continuous |
| Ciągły rozkład prawdopodobieństwa | Continuous probability distribution |
| ciąć | cut |
| ciąża | pregnancy |
| Ciąża mnoga | Multiple birth |
| Cićýar | Head |
| Cićýarówka | Truck |
| Cićýki | Elephantine |
| cię | thee |
| cięcie cesarskie | Caesarean section |
