| rukahand; armNoun | Noun |
| rukaviceglove; glovesNoun | Noun |
| rumrumNoun | Noun |
| RumunrumunRomanian personNoun | Noun |
| RumunkarumunkaRomanian womanNoun | Noun |
| RumunskorumunskoRomaniaNoun | Noun |
| rumunskyin RomanianAdverb | Adverb |
| rumunštinaRomanian languageNoun | Noun |
| RusrusRussian personNoun | Noun |
| RuskaruskaRussian womanNoun | Noun |
| RuskoruskoRussiaNoun | Noun |
| ruskyin RussianAdverb | Adverb |
| ruskýRussianAdjective | Adjective |
| růstto growVerb | Verb |
| rušitto disturbVerb | Verb |
| rušnobusy, livelyAdverb | Adverb |
| ruštinaRussian languageNoun | Noun |
| různýdifferentAdjective | Adjective |
| růžeroseNoun | Noun |
| růžovýpinkAdjective | Adjective |
| rybafishNoun | Noun |
| rybařenífishingNoun | Noun |
| rybařitto go fishingVerb | Verb |
| rybífishAdjective | Adjective |
| rybičkasmall fishNoun | Noun |
| rybníkpondNoun | Noun |
| rychlefast, quicklyAdverb | Adverb |
| rychlé občerstvenífast foodWord combination | Word combination |
| rychlíkexpress trainNoun | Noun |
| rychlostspeedNoun | Noun |
| rychlovarná konviceelectric kettleWord combination | Word combination |
| rychlýquickAdjective | Adjective |
| rýmacold; runny noseNoun | Noun |
| rýžericeNoun | Noun |
| řád (vlakový, autobusový)timetableNoun | Noun |
| řadarow; seriesNoun | Noun |
| řádeklineNoun | Noun |
| ŘeckořeckoGreeceNoun | Noun |
| řeckyin GreekAdverb | Adverb |
| řečtinaGreek languageNoun | Noun |
| řediteldirector; principalNoun | Noun |
| ředitelkadirector; principalNoun | Noun |
| ŘekřekGreek personNoun | Noun |
| řekariverNoun | Noun |
| ŘekyněřekyněGreek womanNoun | Noun |
| řemeslníkcraftsmanNoun | Noun |
| řešenísolutionNoun | Noun |
| řeznictvíbutcher's shopNoun | Noun |
| řezníkbutcherNoun | Noun |
| říctto sayVerb | Verb |
| řidičdriverNoun | Noun |
| řidičkafemale driverNoun | Noun |
| řidičskýdriving; driver'sAdjective | Adjective |
| řidičský průkazdriving licenceWord combination | Word combination |
| říditto driveVerb | Verb |
| říjenOctoberNoun | Noun |
| říkají, žethey say thatPhrase | Phrase |
| říkatto sayVerb | Verb |
| římskýRomanAdjective | Adjective |
| řízeksteak; schnitzelNoun | Noun |
| říznout seto cut oneselfVerb | Verb |
| swithPreposition | Preposition |
| s pozdravemkind regardsPhrase | Phrase |
| s. r. o.limited liability companyWord combination | Word combination |
| s sebouwith you; alongPhrase | Phrase |
| sádraplaster castNoun | Noun |
| safarisafariNoun | Noun |
| sahatto touch or reach towardVerb | Verb |
| sakojacketNoun | Noun |
| sálhallNoun | Noun |
| salámsalamiNoun | Noun |
| salátsaladNoun | Noun |
| sámalonePronoun | Pronoun |
| sametovývelvetAdjective | Adjective |
| samostatnostautonomy; independenceNoun | Noun |
| samostatnýseparate, independentAdjective | Adjective |
| samozřejměof courseAdverb | Adverb |
| samýnothing but; allAdjective | Adjective |
| sanitkaambulanceNoun | Noun |
| sáňkovatto sledVerb | Verb |
| sbíratto collect or gatherVerb | Verb |
| sborchoirNoun | Noun |
| scénáristascreenwriterNoun | Noun |
| scénářscreenplayNoun | Noun |
| sci-fiscience fictionNoun | Noun |
| sci-fi literaturascience-fiction literatureWord combination | Word combination |
| sebekritickýself-criticalAdjective | Adjective |
| sebevědomíself-confidence; self-esteemNoun | Noun |
| sebevraždasuicideNoun | Noun |
| secondhandsecondhand shopNoun | Noun |
| sedačkasofaNoun | Noun |
| sedadloseatNoun | Noun |
| sedat sito sit down repeatedly or habituallyVerb | Verb |
| sedětto sitVerb | Verb |
| sedět (na židli)to sitVerb | Verb |
| sedět (o oblečení)to fit, especially clothesVerb | Verb |
| sedmsevenNumber | Number |
| sedmdesátseventyNumber | Number |
| sedmdesátá létathe seventies; the 1970sPhrase | Phrase |
| sedmdesátýseventiethNumber | Number |