| zkušebnítrial; testAdjective | Adjective |
| zlatogoldNoun | Noun |
| zlatokopgold diggerNoun | Noun |
| zlatýgold; goldenAdjective | Adjective |
| zlevafrom the leftAdverb | Adverb |
| zlikvidovatdispose of; get rid ofVerb | Verb |
| zlobitbe naughty; bother; not work properlyVerb | Verb |
| zlobit sebe upset; be angryVerb | Verb |
| zlomeninafractureNoun | Noun |
| zlomenýbrokenAdjective | Adjective |
| zlověstněominouslyAdverb | Adverb |
| zlýbad; evil; meanAdjective | Adjective |
| zmáčknoutpress; squeezeVerb | Verb |
| zmatekconfusionNoun | Noun |
| zmatenýconfusedAdjective | Adjective |
| změnachangeNoun | Noun |
| změnitchangeVerb | Verb |
| změnit sechangeVerb | Verb |
| změřitmeasureVerb | Verb |
| zmrzlinaice creamNoun | Noun |
| značkabrand; signNoun | Noun |
| znaksymbol; characterNoun | Noun |
| znalostknowledgeNoun | Noun |
| známáfemale acquaintanceNoun | Noun |
| znamenatmeanVerb | Verb |
| známkastamp; gradeNoun | Noun |
| známýmale acquaintanceNoun | Noun |
| známýknown; well-knownAdjective | Adjective |
| znátknowVerb | Verb |
| zničitdestroy; ruinVerb | Verb |
| znítsoundVerb | Verb |
| znovuagainAdverb | Adverb |
| zodpovědnostresponsibilityNoun | Noun |
| zodpovědnýresponsibleAdjective | Adjective |
| zónazoneNoun | Noun |
| zoozooNoun | Noun |
| zoologickýzoological; zoo-relatedAdjective | Adjective |
| zopakovatrepeatVerb | Verb |
| zouvat setake shoes offVerb | Verb |
| zpátečníreturnAdjective | Adjective |
| zpátkybackAdverb | Adverb |
| zpěvačkafemale singerNoun | Noun |
| zpěvákmale singerNoun | Noun |
| zpívatsingVerb | Verb |
| zpožděnídelayNoun | Noun |
| zpracováníprocessingNoun | Noun |
| zpravafrom the rightAdverb | Adverb |
| zprávamessage; reportNoun | Noun |
| zraksight; eyesightNoun | Noun |
| zraněnýinjuredAdjective | Adjective |
| zranit seinjure oneselfVerb | Verb |
| zrcadlomirrorNoun | Noun |
| zrovnajust, right nowAdverb | Adverb |
| zrušitcancelVerb | Verb |
| zřízeníestablishmentNoun | Noun |
| ztichaquietly; silentlyAdverb | Adverb |
| ztloustnoutgain weightVerb | Verb |
| ztrácetloseVerb | Verb |
| ztrátalossNoun | Noun |
| ztratitloseVerb | Verb |
| ztratit seget lostVerb | Verb |
| zubtoothNoun | Noun |
| zubařmale dentistNoun | Noun |
| zubařkafemale dentistNoun | Noun |
| zubnídentalAdjective | Adjective |
| zúčastnit setake partVerb | Verb |
| zumbazumbaNoun | Noun |
| zůstatstay, remainVerb | Verb |
| zůstávatstay, remainVerb | Verb |
| zvátinviteVerb | Verb |
| zvážitweighVerb | Verb |
| zvědavýcuriousAdjective | Adjective |
| zvířeanimalNoun | Noun |
| zvířecíanimal; animal-relatedAdjective | Adjective |
| zvítězitwin, triumphVerb | Verb |
| zvládnouthandleVerb | Verb |
| zvlášťseparatelyAdverb | Adverb |
| zvláštněstrangelyAdverb | Adverb |
| zvláštníspecial; unusual; strangeAdjective | Adjective |
| zvolitchooseVerb | Verb |
| zvonitringVerb | Verb |
| zvracetvomitVerb | Verb |
| zvuksoundNoun | Noun |
| zvykhabitNoun | Noun |
| zvyklýaccustomed; used toAdjective | Adjective |
| zvyknout siget used toVerb | Verb |
| zvýšenýincreased; elevatedAdjective | Adjective |
| žádatask, requestVerb | Verb |
| žádnýno, not anyPronoun | Pronoun |
| žádostrequest; applicationNoun | Noun |
| žákpupilNoun | Noun |
| žákyněfemale pupilNoun | Noun |
| žalobalawsuit; chargeNoun | Noun |
| žaludekstomachNoun | Noun |
| žárovkalight bulbNoun | Noun |
| žethatConjunction | Conjunction |
| žehličkaironNoun | Noun |
| žehlitironVerb | Verb |
| železničnírailway; rail-relatedAdjective | Adjective |
| železoironNoun | Noun |