| chloroza | chlorose |
| Chlorpromazyna | Chlorpromazine |
| Chlotar I | Clotaire Ier |
| Chlotar II | Clotaire II |
| chlubić się | se vanter |
| Chmel Blšany | Chmel Blšany |
| Chmielnicki | Khmelnitski |
| Chmod | Chmod |
| chmura | nuage |
| Chmura molekularna | Nuage moléculaire |
| Chmura warstwowa | Stratus |
| Chmurny Kukułczyn | Coucouville-les-Nuées |
| Chmury | Les Nuées |
| Chnum | Khnoum |
| cho | allez |
| Cho Chang | Cho Chang |
| Cho Jae-jin | Cho Jae-jin |
| Cho Oyu | Cho Oyu |
| Cho Seung-hui | Cho Seung-hui |
| Cho Won-Hee | Cho Won-hee |
| Cho Yoon-jeong | Yoon Jeong Cho |
| Choanocyty | Choanocyte |
| Chobits | Chobits |
| chochla | louche |
| chociaż | mais |
| Chociebuż | Cottbus |
| Chocim | Khotin |
| Chocobo | Chocobo |
| Chocques | Chocques |
| Chocó | Chocó |
| chodnik | galerie |
| chodzić | marcher |
| Chodzić na wycieczki | Chemin pédestre |
| chodzić spać z kurami | se coucher comme les poules |
| chodzić z podniesionym czołem | marcher la tête haute |
| Chodża Ahmad Jasawi | Ahmed Yasavi |
| Chodżowie | Khoja |
| Choi Jin-cheul | Choi Jin-cheul |
| Choi Kyu-ha | Choi Kyu-ha |
| Choina kanadyjska | Pruche du Canada |
| choinka | conifère |
| Choiseul | Choiseul |
| Choisey | Choisey |
| Choisy | Choisy |
| Choisy-le-Roi | Choisy-le-Roi |
| Chojnów | Chojnów |
| Cholecystokinina | Cholécystokinine |
| cholera | diable |
| cholerny | maudit |
| cholesterol | cholestérol |
| Cholet | Cholet |
| cholewa | tige |
| Cholinoesteraza | Cholinestérase |
| Cholula | Cholula |
| chomik | hamster |
| Chomik Campbella | Hamster de Campbell |
| Chomik chiński | Hamster de Chine |
| Chomik dżungarski | Hamster russe |
| Chomik Roborowskiego | Hamster de Roborovski |
| Chomik syryjski | Hamster doré |
| Chomikowate | Hamster |
| Chomutov | Chomutov |
| Chomątko | Empereur Kōshō |
| Chon Buri | Chonburi |
| Chondrocyt | Chondrocyte |
| Chongqing | Chongqing |
| Chonita Coleman | Chonita Coleman |
| Chonsu | Khonsou |
| Chontales | Département de Chontales |
| Chopin | Chopin |
| Chopior | Khoper |
| Chorea | Chorea |
| Choren Oganesian | Khoren Oganesian |
| choreograf | chorégraphe |
| choreografia | chorégraphie |
| choreografka | chorégraphe |
| Chorey-les-Beaune | Chorey-les-Beaune |
| Chorezm | Khwarezm |
| Chori Chori Chupke Chupke | Chori Chori Chupke Chupke |
| Chorlogijn Czojbalsan | Horloogiyn Choybalsan |
| Choro Chori Chupke Chupke | Chori Chori Chupke Chupke |
| choroba | maladie |
| Choroba afektywna dwubiegunowa | Trouble bipolaire |
| choroba Alzheimera | maladie d'Alzheimer |
| Choroba Behçeta | Maladie de Behçet |
| Choroba Bowena | Maladie de Bowen |
| Choroba Brugadów | Syndrome de Brugada |
| Choroba Bürgera | Maladie de Buerger |
| Choroba Chagasa | Maladie de Chagas |
| choroba Creutzfeldta-Jakoba | maladie de Creutzfeld-Jakob |
| choroba człowieka | maladie humaine |
| Choroba Dercuma | Maladie de Dercum |
| Choroba Friedreicha | Ataxie de Friedreich |
| Choroba genetyczna | Maladie génétique |
| Choroba Gravesa-Basedowa | Maladie de Basedow |
| Choroba Hartnupów | Maladie de Hartnup |
| Choroba heine-medina | Poliomyélite |
| Choroba Heinego-Medina | Poliomyélite |
| Choroba hemolityczna noworodka | Maladie hémolytique du nouveau-né |
| Choroba Hirschsprunga | Maladie de Hirschsprung |
| Choroba Kawasaki | Maladie de Kawasaki |
