| coser | szyć |
| Cosima Wagner | Cosima Wagner |
| Cosme de Médici | Cosimo Medici |
| Cosme e Damião | Święci Kosma i Damian |
| Cosmetologia | Kosmetologia |
| cosmetologista | kosmetolog |
| cosmetólogo | kosmetolog |
| cosmo | kosmos |
| cosmologia | kosmologia |
| cosmopolita | kosmopolityczny |
| cosmopolitano | kosmopolityczny |
| Cosmopolitismo | Kosmopolityzm |
| cosmético | powierzchowny |
| cosmódromo | kosmodrom |
| Cosmódromo de Baikonur | Bajkonur |
| Cosmódromo de Plesetsk | Kosmodrom Plesieck |
| Cosoleto | Cosoleto |
| cossaco | kozak |
| Cossacos registrados | Kozacy rejestrowi |
| Cossidae | Trociniarkowate |
| Cossinete | Narzynka |
| Cossonay | Cossonay |
| costa | brzeg |
| Costa Azul | Lazurowe Wybrzeże |
| Costa Blanca | Costa Blanca |
| Costa Brava | Costa Brava |
| Costa de Marfim | Wybrzeże Kości Słoniowej |
| Costa del Sol | Costa del Sol |
| Costa di Serina | Costa di Serina |
| Costa do Marfim | Wybrzeże Kości Słoniowej |
| Costa Rica | Kostaryka |
| costa-riquenho | kostarykański |
| costa-riquense | kostarykański |
| costas | plecy |
| costela | żebro |
| Costela-de-adão | Monstera deliciosa |
| costeleta | sznycel |
| costeletas | baki |
| Costeşti | Costeşti |
| Costinha | Costinha |
| costume | strój |
| costura | szew |
| costurar | szyć |
| costureira | krawcowa |
| Cosworth | Cosworth |
| Così fan tutte | Così fan tutte |
| cot | ctg |
| Cotinginae | Bławatniki |
| cotoco | pień |
| Cotonou | Kotonu |
| Cotopaxi | Cotopaxi |
| cotovelar | uderzyć z łokcia |
| cotovelo | łokieć |
| cotovia | skowronek |
| cottage | twaróg |
| Cottbus | Chociebuż |
| Cottens | Cottens |
| Cottus poecilopus | Głowacz pręgopłetwy |
| Cotylorhynchus | Kotylorynch |
| cotão | kłaki kurzu |
| CouchSurfing | Couchsurfing |
| Couffi | Couffi |
| Coulomb | Kulomb |
| Coulombs | Coulombs |
| Coulonces | Coulonces |
| Coulonche | La Coulonche |
| Coulão | Kollam |
| Count Basie | Count Basie |
| Counter-Strike | Counter-Strike |
| Counting sort | Sortowanie przez zliczanie |
| country | country |
| Country blues | Country blues |
| Country punk | Cowpunk |
| Country rock | Country rock |
| Coupé | Coupé |
| Cour-Marigny | Cour-Marigny |
| Couraceiro | Kirasjerzy |
| Courage the Cowardly Dog | Chojrak - tchórzliwy pies |
| couraça | kirys |
| couraçado | pancernik |
| Couraçado Bismarck | Bismarck |
| Couraçado Gneisenau | Gneisenau |
| Couraçado Potemkin | Potiomkin |
| Couraçado Scharnhorst | Scharnhorst |
| Couraçado Tirpitz | Tirpitz |
| Courbe | La Courbe |
| Courcelles-sur-Seine | Courcelles-sur-Seine |
| Courchevel | Courchevel |
| Courcy | Courcy |
| Courgenay | Courgenay |
| Courgis | Courgis |
| Courlon-sur-Yonne | Courlon-sur-Yonne |
| couro | skóra |
| Courson-les-Carrières | Courson-les-Carrières |
| Courtavon | Courtavon |
| Courtenay | Courtenay |
| Courteney Cox | Courteney Cox |
| Courtney Love | Courtney Love |
| Courtoin | Courtoin |
| Courtois-sur-Yonne | Courtois-sur-Yonne |
| Courtonne-les-Deux-Eglises | Courtonne-les-Deux-Églises |
| Coust | Coust |
| Coutances | Coutances |
| Coutarnoux | Coutarnoux |
| Coutras | Coutras |
| Couture-Boussey | La Couture-Boussey |
| Couvade | Kuwada |
| couve | kapusta |
| Couve-de-folhas | Jarmuż |
| couve-flor | kalafior |
| Couyère | La Couyère |
| Cova-Lima | Dystrykt Cova-Lima |
| covarde | sierota |
| covariância | kowariancja |
| Covasna | Okręg Covasna |
| coveiro | grabarz |
| Coven | Kowen |
| Coventry | Coventry |
| cover | cover |
| Covilhã | Covilhã |
| Covington | Covington |
| Cow and Chicken | Krowa i Kurczak |
| CowParade | Parada Krów |
| coxa | udo |
| coxim | poduszka |
| Coyolxauhqui | Coyolxauhqui |
| cozedura | wypalanie |
| cozer | gotować |
| cozinha | kuchnia |
| cozinhar | gotować |
| cozinheira | kucharka |
| cozinheiro | kucharka |
| Cozy Powell | Cozy Powell |
| Cozzo | Cozzo |
| coçar | drapać |
| CP | Komputer osobisty |
| CPAN | CPAN |
| CPU | Jednostka centralna |
| craca | pąkla |
| Crach | Crach |
| Cracidae | Czubaczowate |
| Cracker | Cracker |
| Cracking | Crack |
| Cracóvia | Kraków |
| Cradle of Filth | Cradle of Filth |
| Craig Bellamy | Craig Bellamy |
| Craig Jones | Craig Jones |
| Craig Thomas | Craig Thomas |
| Crailsheim | Crailsheim |
| Crain | Crain |
| Craiova | Krajowa |
| Cranbrook | Cranbrook |
| Cranbury | Cranbury Township |
| Cranford | Cranford |
| craniano | czaszkowy |
| Craniata | Kręgowce |
| Crank | Adrenalina |
| Crans-près-Céligny | Crans-près-Céligny |
| craque | trzask |
| Craqueamento | Kraking |
| Crash | Miasto gniewu |
| Crash Bandicoot | Crash Bandicoot |
| Crashpad | Crashpad |
| Crass | Crass |
| Crassiers | Crassiers |
| Crassula | Grubosz |
| Crassulaceae | Gruboszowate |
| Crasville | Crasville |
| Crater | Puchar |
| Cratera de Boltysh | Krater Bołtysz |
| Cratera de Chicxulub | Krater Chicxulub |
| Cratera de Gusev | Gusiew |
| Cratera Eagle | Orły |
| Cratera Fram | Fram |
| Cratera Silverpit | Krater Silverpit |
| Cratera vulcânica | Krater wulkaniczny |
| Crates de Tebas | Krates z Teb |
| Crato | Crato |
| Cratos | Kratos |
