| chlorek sodu | sodium chloride |
| Chlorek suksametonium | Suxamethonium chloride |
| Chlorek sulfurylu | Sulfuryl chloride |
| Chlorek tionylu | Thionyl chloride |
| Chlorek złota | Gold chloride |
| Chlorek żelaza | Iron chloride |
| Chloris | Chloris |
| chlormetyna | chlormethine |
| chloro- | chloro- |
| Chloroacetofenon | CN gas |
| chloroaceton | acetonyl chloride |
| chlorofenol | chlorophenol |
| chlorofil | chlorophyll |
| Chlorofitum | Chlorophytum |
| chlorofluorowęglowodory | CFC |
| Chloroform | Chloroform |
| Chlorokokowce | Chlorococcales |
| Chloroplast | Chloroplast |
| chlorosarin | chlorosarin |
| chlorowanie wody | chlorination |
| chlorowce | halogenated compound |
| chloroza | chlorosis |
| Chlortalidon | Chlortalidone |
| Chloryt | Chlorite group |
| Chlotar I | Chlothar I |
| Chlotar II | Chlothar II |
| chlup | splash |
| chlusnąć | slosh |
| chmara | swarm |
| Chmel Blšany | FK Chmel Blšany |
| chmiel | hop |
| Chmielnica | Chmeľnica |
| Chmielnik | Chmielnik |
| Chmielograb | Ostrya |
| chmielowy | hop |
| Chminianske Jakubovany | Chminianske Jakubovany |
| Chmod | Chmod |
| chmura | cloud |
| Chmura molekularna | Molecular cloud |
| Chmura niewiedzy | The Cloud of Unknowing |
| Chmurny Kukułczyn | cloud-cuckoo-land |
| Chmury | The Clouds |
| Chnum | Khnum |
| cho | c'mon |
| Cho Jae-jin | Cho Jae-Jin |
| Cho Oyu | Cho Oyu |
| Cho Seung-hui | Seung-Hui Cho |
| Cho Won-Hee | Cho Won-Hee |
| Cho Yoon-jeong | Cho Yoon-jeong |
| Chobits | Chobits |
| chochla | ladle |
| Chochma | Chokhmah |
| Chocianów | Chocianów |
| chociaż | but |
| Chociebuż | Cottbus |
| Chocim | Khotyn |
| Chociwel | Chociwel |
| Chocolate Starfish and the Hotdog Flavored Water | Chocolate Starfish and the Hot Dog Flavored Water |
| Chocó | Chocó Department |
| Chodecz | Chodecz |
| Chodkiewicz | Chodkiewicz coat of arms |
| chodnik | sidewalk |
| Chodorów | Khodoriv |
| Chodzież | Chodzież |
| chodzić | attend |
| chodzić z głową w chmurach | have ones head in the clouds |
| Chodża Ahmad Jasawi | Khwaja Ahmad Yasavi |
| Chodżowie | Khoja |
| Choi Hong Hi | Choi Hong Hi |
| Choi Jin-cheul | Choi Jin-Cheul |
| Choi Kyu-ha | Choi Kyu-hah |
| Choina kanadyjska | Tsuga canadensis |
| Choina zachodnia | Tsuga heterophylla |
| choinka | conifer |
| Choiseul | Choiseul |
| Choisy-le-Roi | Choisy-le-Roi |
| Chojna | Chojna |
| Chojnice | Chojnice |
| Chojniki | Khoiniki |
| Chojnów | Chojnów |
| Chojrak - tchórzliwy pies | Courage the Cowardly Dog |
| cholecystektomia | cholecystectomy |
| cholera | cholera |
| cholerny | bloody |
| cholesterol | cholesterol |
| Cholet | Cholet |
| Cholinoesteraza | Cholinesterase enzyme |
| Cholula | Cholula |
| chomik | hamster |
| Chomik chiński | Chinese hamster |
| Chomik dżungarski | Winter White Russian Dwarf Hamster |
| Chomik europejski | European Hamster |
| Chomik Roborowskiego | Roborovski hamster |
| Chomik syryjski | Syrian Hamster |
| Chomikowate | Cricetidae |
| chomikować | squirrel away |
| Chomutov | Chomutov |
| Chomątko | Emperor Kosho |
| Chon Buri | Chonburi |
| Chonaksowate | Sea toad |
| Chongqing | Chongqing |
| Chonsu | Chons |
| Chontales | Chontales |
| Chopin | Chopin |
| Chopior | Khopyor River |
| Chora | Ill |
| Chorał ambrozjański | Ambrosian chant |
| Choren Oganesian | Khoren Oganesian |
| choreograf | choreographer |
| choreografia | choreography |
| choreografka | choreographer |
| Chorey-les-Beaune | Chorey-les-Beaune |
| Chorezm | Khwarezm |
| Chori Chori Chupke Chupke | Chori Chori Chupke Chupke |
| Chorlogijn Czojbalsan | Khorloogiin Choibalsan |
| Choro Chori Chupke Chupke | Chori Chori Chupke Chupke |
| choroba | affliction |
| Choroba afektywna dwubiegunowa | Bipolar disorder |
| Choroba Alexandra | Alexander disease |
| choroba Alzheimera | Alzheimer's disease |
| Choroba Andersen | Glycogen storage disease type IV |
| Choroba Brugadów | Brugada syndrome |
| Choroba Chagasa | Chagas disease |
| Choroba Coriego | Glycogen storage disease type III |
| choroba Creutzfeldta-Jakoba | Creutzfeldt-Jakob disease |
| choroba człowieka | human disease |
| Choroba Dercuma | Adiposis dolorosa |
| Choroba Gravesa-Basedowa | Graves disease |
| Choroba Hallervordena-Spatza | Pantothenate kinase-associated neurodegeneration |
| Choroba Hartnupów | Hartnup disease |
| Choroba Heinego-Medina | Poliomyelitis |
| Choroba hemolityczna noworodka | Hemolytic disease of the newborn |
| Choroba Kawasaki | Kawasaki disease |
| Choroba kociego pazura | Cat scratch fever |
| Choroba legionistów | Legionellosis |
| choroba lokomocyjna | carsickness |
| Choroba Menkesa | Menkes disease |
| Choroba mikrofalowa | Electromagnetic radiation hazard |
| Choroba Minamata | Minamata disease |
| choroba morska | seasickness |
| Choroba niebieskiego języka | Bluetongue disease |
| choroba odzwierzęca | zoonosis |
| Choroba Osgooda-Schlattera | Osgood-Schlatter disease |
| choroba Parkinsona | Parkinson's disease |
| Choroba Perthesa | Legg-Calvé-Perthes syndrome |
| Choroba Pompego | Glycogen storage disease type II |
| choroba popromienna | radiation sickness |
| choroba przenoszona drogą płciową | sexually transmitted disease |
| choroba psychosomatyczna | psychosomatic illness |
| choroba płuc | pulmonary disease |
| Choroba Rittera | Staphylococcal scalded skin syndrome |
| choroba roślin | plant disease |
| choroba ryb | fish disease |
| Choroba Schönleina-Henocha | Henoch-Schönlein purpura |
| choroba systemu immunologicznego | immunological disease |
| Choroba Taya-Sachsa | Tay-Sachs disease |
| choroba układu oddechowego | respiratory disease |
| Choroba von Gierkego | Glycogen storage disease type I |
| choroba von Willebranda | von Willebrand disease |
| choroba weneryczna | venereal disease |
| Choroba wyspy Tanger | Tangier disease |
| choroba zakaźna | infectious disease |
| choroba zawodowa | occupational disease |
| choroba związana ze stanem środowiska | environmentally related disease |
| Choroba zwyrodnieniowa | Degenerative disease |
| chorobliwy | abnormal |
| chorobotwórczość | pathogenicity |
| chorobotwórczy | causal |
| Choroby afektywne | Mood disorder |
| Choroby autoimmunologiczne | List of autoimmune diseases |
| Choroby cywilizacyjne | Lifestyle diseases |
| Choroby mitochondrialne | Mitochondrial disease |
| Choroby przenoszone drogą płciową | Sexually transmitted disease |
| choroby sercowo-naczyniowe | cardiovascular disease |
| Choroby spichrzeniowe glikogenu | Glycogen storage disease |
| Choroby tkanki łącznej | Connective tissue disease |
| choroby zwierząt | animal disease |
| chorobą szalonych krów | bovine spongiform encephalopathy |
| Chorog | Khorugh |
| chorologia | chorology |
| Choroszcz | Choroszcz |
| chorować | suffer |
| chorowity | sickly |
