| centrumcenter; centreNoun | Noun |
| certifikátcertificateNoun | Noun |
| certifikovanýcertifiedAdjective | Adjective |
| cestajourney; trip; wayNoun | Noun |
| cestovánítravelNoun | Noun |
| cestovattravelVerb | Verb |
| cestovateltravelerNoun | Noun |
| cestovatelkafemale travelerNoun | Noun |
| cestovatelskýtravel; traveller-relatedAdjective | Adjective |
| cestovnítravelAdjective | Adjective |
| cestovní kancelářtravel agencyWord combination | Word combination |
| cestujícítraveler; passengerNoun | Noun |
| cézetdot czPhrase | Phrase |
| cibuleonionNoun | Noun |
| cibulovýonionAdjective | Adjective |
| cigaretacigaretteNoun | Noun |
| cílgoal; targetNoun | Noun |
| cimbálcimbalom; dulcimerNoun | Noun |
| cimrmanologieCimrmanologyNoun | Noun |
| církevchurchNoun | Noun |
| církevníchurch; ecclesiasticalAdjective | Adjective |
| cirkuscircusNoun | Noun |
| císařemperorNoun | Noun |
| citátquoteNoun | Noun |
| cítitfeelVerb | Verb |
| citlivěsensitivelyAdverb | Adverb |
| citlivýsensitiveAdjective | Adjective |
| citronlemonNoun | Noun |
| civilizacecivilizationNoun | Noun |
| cizíforeign; strangeAdjective | Adjective |
| cizinecforeigner; strangerNoun | Noun |
| cizineckýimmigration; foreigner-relatedAdjective | Adjective |
| cizinkaforeign womanNoun | Noun |
| cowhatPronoun | Pronoun |
| co je towhat is itPhrase | Phrase |
| co mám dělatwhat should I doPhrase | Phrase |
| co máš/máte nejradějiwhat do you like bestPhrase | Phrase |
| co máš/máte rád/a/rádiwhat do you likePhrase | Phrase |
| co rád/a jíš/jítewhat do you like to eatPhrase | Phrase |
| co rád/a/nerad/a děláš/dělátewhat do you like/not like doingPhrase | Phrase |
| co rád/a piješ/pijetewhat do you like to drinkPhrase | Phrase |
| co rádi jítewhat do you like to eatPhrase | Phrase |
| co rádi pijetewhat do you like to drinkPhrase | Phrase |
| co se dějewhat's happeningPhrase | Phrase |
| co se ti/vám (ne)líbíwhat do / don't you likePhrase | Phrase |
| co si o tom myslíš/myslítewhat do you think about itPhrase | Phrase |
| co tě/vás bolíwhat hurtsPhrase | Phrase |
| co tě/vás trápíwhat's bothering youPhrase | Phrase |
| co ti/vám (ne)chutnáwhat do / don't you like the taste ofPhrase | Phrase |
| co tomu říkáš/říkátewhat do you say to thatPhrase | Phrase |
| co znamenáwhat does it meanPhrase | Phrase |
| ctižádostivýambitiousAdjective | Adjective |
| cukrsugarNoun | Noun |
| cukrárnacake shop; pastry shopNoun | Noun |
| cukrovícandy; Christmas cookiesNoun | Noun |
| cukrovkadiabetesNoun | Noun |
| cvičeníexerciseNoun | Noun |
| cvičitexercise; practiceVerb | Verb |
| cyklistikacyclingNoun | Noun |
| cyklostezkabike pathNoun | Noun |
| čajteaNoun | Noun |
| čáralineNoun | Noun |
| častimeNoun | Noun |
| časopismagazineNoun | Noun |
| časovýtime; temporalAdjective | Adjective |
| částpartNoun | Noun |
| částečnýpartial; part-timeAdjective | Adjective |
| častooftenAdverb | Adverb |
| častýfrequent; commonAdjective | Adjective |
| čauhi, byeInterjection | Interjection |
| ČechčechCzech manNoun | Noun |
| ČechyčechyBohemiaNoun | Noun |
| čekáníwaitingNoun | Noun |
| čekárnawaiting roomNoun | Noun |
| čekatwait; expectVerb | Verb |
| čeloforehead; frontNoun | Noun |
| čepicecap; hatNoun | Noun |
| černochBlack manNoun | Noun |
| černoškaBlack womanNoun | Noun |
| černýblackAdjective | Adjective |
| čerpacífuel-station; pumpingAdjective | Adjective |
| čerpací stanicefilling stationWord combination | Word combination |
| čerstvýfreshAdjective | Adjective |
| červenJuneNoun | Noun |
| červenecJulyNoun | Noun |
| červenobílýred and whiteAdjective | Adjective |
| červenýredAdjective | Adjective |
| česat secomb one’s hairVerb | Verb |
| ČeskočeskoCzechia; the Czech RepublicNoun | Noun |
| ČeskoslovenskočeskoslovenskoCzechoslovakiaNoun | Noun |
| českyin CzechAdverb | Adverb |
| českýCzechAdjective | Adjective |
| česnekgarlicNoun | Noun |
| česnekovýgarlicAdjective | Adjective |
| ČeškačeškaCzech womanNoun | Noun |
| češtinaCzech languageNoun | Noun |
| čiorConjunction | Conjunction |
| číwhosePronoun | Pronoun |
| ČínačínaChinaNoun | Noun |
| ČíňančíňanChinese manNoun | Noun |