| receptrecipe; prescriptionNoun | Noun |
| recept (na vaření)recipeNoun | Noun |
| recept (v lékárně)prescriptionNoun | Noun |
| reformareformNoun | Noun |
| reformátorreformerNoun | Noun |
| registrregister, registryNoun | Noun |
| registr řidičůdriver registerWord combination | Word combination |
| registr vozidelvehicle registerWord combination | Word combination |
| rehabilitacerehabilitationNoun | Noun |
| rejstříkregister, indexNoun | Noun |
| reklamaadvertisementNoun | Noun |
| reklamovatto make a warranty claimVerb | Verb |
| rekonstrukcereconstruction, renovationNoun | Noun |
| rekordrecordNoun | Noun |
| rekreacerecreation, holiday stayNoun | Noun |
| relativněrelativelyAdverb | Adverb |
| renesančníRenaissanceAdjective | Adjective |
| rentgenX-rayNoun | Noun |
| reprákspeakerNoun | Noun |
| reprezentovatto representVerb | Verb |
| reproduktorspeakerNoun | Noun |
| republikarepublicNoun | Noun |
| restauracerestaurantNoun | Noun |
| revizorticket inspectorNoun | Noun |
| revizorkafemale ticket inspectorNoun | Noun |
| revolucerevolutionNoun | Noun |
| revolverrevolverNoun | Noun |
| rezavýrustyAdjective | Adjective |
| rezervacereservationNoun | Noun |
| rezervovatto reserve or bookVerb | Verb |
| rezervovat sito reserve for oneselfVerb | Verb |
| rezolutněresolutely, firmlyAdverb | Adverb |
| režiedirection, productionNoun | Noun |
| režírovatto directVerb | Verb |
| režisérdirectorNoun | Noun |
| režisérkafemale directorNoun | Noun |
| riskantníriskyAdjective | Adjective |
| rockrock musicNoun | Noun |
| rockovýrock; rock-musicAdjective | Adjective |
| ročněyearly, per yearAdverb | Adverb |
| ročníannual; yearlyAdjective | Adjective |
| ročníkyear, gradeNoun | Noun |
| rodičparentNoun | Noun |
| rodičovská dovolenáparental leaveWord combination | Word combination |
| rodičovskýparentalAdjective | Adjective |
| rodičovský příspěvekparental allowanceWord combination | Word combination |
| rodinafamilyNoun | Noun |
| rodinnýfamilyAdjective | Adjective |
| roditto give birthVerb | Verb |
| rodné číslobirth numberWord combination | Word combination |
| rodné příjmeníbirth surnameWord combination | Word combination |
| rodnýbirth; nativeAdjective | Adjective |
| rohlíkbread rollNoun | Noun |
| rokyearNoun | Noun |
| roleroleNoun | Noun |
| románnovelNoun | Noun |
| rostlinaplantNoun | Noun |
| rovinaplain, levelNoun | Noun |
| rovněstraight, evenlyAdverb | Adverb |
| rovnýequal; levelAdjective | Adjective |
| rovný (ne křivý)straight; not crookedAdjective | Adjective |
| rovný (o vlasech)straight hairAdjective | Adjective |
| rozbítto breakVerb | Verb |
| rozbít sese pf. breakPhrase | Phrase |
| rozbitýbrokenAdjective | Adjective |
| rozčileněangrily, in an upset wayAdverb | Adverb |
| rozčilenýupset; agitatedAdjective | Adjective |
| rozdatto give outVerb | Verb |
| rozdělenídivision; splitNoun | Noun |
| rozdíldifferenceNoun | Noun |
| rozejít sesplit up sePhrase | Phrase |
| rozhlasradio, radio broadcastingNoun | Noun |
| rozhlasovýradio; radio-broadcastAdjective | Adjective |
| rozhlednalookout towerNoun | Noun |
| rozhodnědefinitely, certainlyAdverb | Adverb |
| rozhodnout sedecidePhrase | Phrase |
| rozhovorinterview, conversationNoun | Noun |
| rozcházet sesplit upVerb | Verb |
| rozchodbreakup, splitNoun | Noun |
| rozlohaareaNoun | Noun |
| rozloučenífarewellNoun | Noun |
| rozmazlenýspoiledAdjective | Adjective |
| rozměrdimension, sizeNoun | Noun |
| rozpuštěnýdissolvedAdjective | Adjective |
| rozsáhlýextensiveAdjective | Adjective |
| rozsudekjudgment, verdictNoun | Noun |
| rozsvítitto switch on the lightVerb | Verb |
| roztomilýcuteAdjective | Adjective |
| rozumětto understandVerb | Verb |
| rozvádět seto get divorcedVerb | Verb |
| rozvedenýdivorcedAdjective | Adjective |
| rozvést seto get divorcedVerb | Verb |
| rozvíjet sedevelopVerb | Verb |
| rozvoddivorceNoun | Noun |
| rozvrhschedule; timetableNoun | Noun |
| rozvrh hodinclass scheduleWord combination | Word combination |
| ručeníliability; guaranteeNoun | Noun |
| ručičkasmall hand; clock handNoun | Noun |
| ručníktowelNoun | Noun |
| rudýredAdjective | Adjective |