If you already speak Indonesian and you're starting Czech, or the other way around, you've probably noticed that some words look like they already know each other. Czech doktor and Indonesian dokter, Czech film and Indonesian film, Czech kód and Indonesian kode - these aren't items you have to memorize from zero. Both languages picked up a shared layer of international vocabulary for technology, professions and modern life, and that shared layer is what you'll see listed below, side by side.
The list lines up pairs with the same English meaning so you can see the pattern for yourself: same root, with only a letter or two separating the Czech form from the Indonesian one. Vocab Voyage turns pairs like these into flashcards - you type the Czech word for an English prompt, accents forgiven, and spaced repetition brings back the ones you're shakiest on. It's free to start with just an email: no card, no password.
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| # | English | Czech | Indonesian |
|---|---|---|---|
| 1 | doctor | doktor | dokter |
| 2 | fact | fakt | fakta |
| 3 | same | samý | sama |
| 4 | agent | agent | agen |
| 5 | film | film | film |
| 6 | information | informace | informasi |
| 7 | detective | detektiv | detektif |
| 8 | sex | sex | sex |
| 9 | mom | máma | mama |
| 10 | president | prezident | presiden |
| 11 | planet | planeta | planet |
| 12 | card | karta | kartu |
| 13 | test | test | tes |
| 14 | moment | moment | momen |
| 15 | client | klient | klien |
| 16 | sexy | sexy | sexy |
| 17 | professor | profesor | profesor |
| 18 | video | video | video |
| 19 | energy | energie | energi |
| 20 | code | kód | kode |
| 21 | type | typ | type |
| 22 | program | program | program |
| 23 | partner | partner | partner |
| 24 | contact | kontakt | kontak |
| 25 | signal | signál | signal |
| 26 | dollar | dolar | dolar |
| 27 | hotel | hotel | hotel |
| 28 | idea | idea | ide |
| 29 | club | klub | klub |
| 30 | special | speciální | special |
| 31 | pistol | pistole | pistol |
| 32 | bar | bar | bar |
| 33 | trick | trik | trik |
| 34 | career | kariéra | karier |
| 35 | university | univerzita | universitas |
| 36 | internet | internet | internet |
| 37 | theory | teorie | teori |
| 38 | pizza | pizza | pizza |
| 39 | alcohol | alkohol | alkohol |
| 40 | angel | anděl | angel |
| 41 | demon | démon | demon |
| 42 | pilot | pilot | pilot |
| 43 | photo | foto | foto |
| 44 | band | banda | band |
| 45 | colleague | kolega | kolega |
| 46 | risk | riziko | risiko |
| 47 | process | proces | proses |
| 48 | data | data | data |
| 49 | boss | boss | bos |
| 50 | inspector | inspektor | inspektur |
| 51 | restaurant | restaurace | restaurant |
| 52 | radio | rádio | radio |
| 53 | ball | bál | ball |
| 54 | politics | politika | politik |
| 55 | virus | virus | virus |
| 56 | project | projekt | projek |
| 57 | music | music | musik |
| 58 | federal | federální | federal |
| 59 | block | blok | blok |
| 60 | model | model | model |
| 61 | talent | talent | talenta |
| 62 | legend | legenda | legenda |
| 63 | senator | senátor | senator |
| 64 | lamp | lampa | lampu |
| 65 | terrorist | terorista | teroris |
| 66 | mission | mise | misi |
| 67 | professional | profesionální | profesional |
| 68 | manager | manažer | manajer |
| 69 | symbol | symbol | simbol |
| 70 | costume | kostým | kostum |
| 71 | mask | maska | mask |
| 72 | identity | identita | identitas |
| 73 | robot | robot | robot |
| 74 | respect | respekt | respek |
| 75 | assistant | asistent | asisten |
| 76 | modern | moderní | modern |
| 77 | gang | gang | geng |
| 78 | museum | muzeum | museum |
| 79 | material | materiál | material |
| 80 | stress | stres | stres |
| 81 | motive | motiv | motif |
| 82 | monster | monster | monster |
| 83 | salad | salát | salad |
| 84 | activity | aktivita | aktivitas |
| 85 | communication | komunikace | komunikasi |
| 86 | champagne | šampaňské | sampanye |
| 87 | clinic | klinika | klinik |
| 88 | fantastic | fantastický | fantastik |
| 89 | alarm | alarm | alarm |
| 90 | penis | penis | penis |
| 91 | conference | konference | konferensi |
| 92 | |||
| 93 | album | album | album |
| 94 | cream | krém | krim |
| 95 | alibi | alibi | alibi |
| 96 | dealer | dealer | dealer |
| 97 | academy | akademie | akademi |
| 98 | electric | elektrický | elektrik |
| 99 | zombie | zombie | zombie |
| 100 | league | liga | liga |
| 101 | mathematics | matematika | matematika |
| 102 | tip | tip | tip |
| 103 | drama | drama | drama |
| 104 | profile | profil | profil |
| 105 | secretary | sekretářka | sekretaris |
| 106 | helicopter | helikoptéra | helikopter |
| 107 | effect | efekt | efek |
| 108 | cocaine | kokain | kokain |
| 109 | atmosphere | atmosféra | atmosfer |
| 110 | kilo | kilo | kilo |
| 111 | central | centrální | central |
| 112 | apartment | apartmán | apartemen |
| 113 | motel | motel | motel |
| 114 | ritual | rituál | ritual |
| 115 | product | produkt | produk |
| 116 | priority | priorita | prioritas |
| 117 | extra | extra | extra |
| 118 | satellite | satelit | satelit |
| 119 | candidate | kandidát | kandidat |
| 120 | character | charakter | karakter |
| 121 | protocol | protokol | protokol |
| 122 | humor | humor | humor |
| 123 | festival | festival | festival |
| 124 | chaos | chaos | chaos |
| 125 | golf | golf | golf |
| 126 | vodka | vodka | vodka |
| 127 | commission | komise | komisi |
| 128 | steak | steak | steak |
| 129 | tragedy | tragédie | tragedi |
| 130 | heroin | heroin | heroin |
| 131 | disk | disk | disk |
| 132 | instruction | instrukce | instruksi |
| 133 | object | objekt | objek |
| 134 | clan | klan | klan |
| 135 | whisky | whisky | whisky |
| 136 | therapy | terapie | terapi |
| 137 | circus | cirkus | sirkus |
| 138 | cable | kabel | kabel |
| 139 | reporter | reportér | reporter |
| 140 | criminal | kriminální | kriminal |
| 141 | sector | sektor | sektor |
| 142 | strategy | strategie | strategi |
| 143 | post | post | pos |
| 144 | record | rekord | rekor |
| 145 | tank | tank | tank |
| 146 | contract | kontrakt | kontrak |
| 147 | norm | norma | norma |
| 148 | chip | čip | chip |
| 149 | gentleman | gentleman | gentleman |
| 150 | area | areál | area |
| 151 | congress | kongres | kongres |
| 152 | series | série | seri |
| 153 | line | linie | line |
| 154 | studio | studio | studio |
| 155 | structure | struktura | struktur |
| 156 | helmet | helma | helm |
| 157 | metro | metro | metro |
| 158 | bus | bus | bus |
| 159 | paranoid | paranoidní | paranoid |
| 160 | crystal | krystal | kristal |
| 161 | font | font | font |
| 162 | opera | opera | opera |
| 163 | generator | generátor | generator |
| 164 | hot | hot | hot |
| 165 | admiral | admirál | admiral |
| 166 | phase | fáze | fase |
| 167 | score | skóre | skor |
| 168 | economy | ekonomika | ekonomi |
| 169 | condom | kondom | kondom |
| 170 | poker | poker | poker |
| 171 | race | rasa | ras |
| 172 | gasoline | benzín | bensin |
| 173 | burger | burger | burger |
| 174 | study | studie | studi |
| 175 | grand | grand | grand |
| 176 | combination | kombinace | kombinasi |
| 177 | original | originální | original |
| 178 | trauma | trauma | trauma |
| 179 | grenade | granát | granat |
| 180 | form | formulář | formulir |
| 181 | camp | kemp | kamp |
| 182 | credit | kredit | kredit |
| 183 | producer | producent | produsen |
| 184 | gallery | galerie | galeri |
| 185 | database | databáze | database |
| 186 | campus | kampus | kampus |
| 187 | gangster | gangster | gangster |
| 188 | scandal | skandál | skandal |
| 189 | farmer | farmář | farmer |
| 190 | gravity | gravitace | gravitasi |
| 191 | cartel | kartel | kartel |
| 192 | inspiration | inspirace | inspirasi |
| 193 | depression | deprese | depresi |
| 194 | mafia | mafie | mafia |
| 195 | microphone | mikrofon | mikrofon |
| 196 | lesbian | lesba | lesbi |
| 197 | ring | ring | ring |
| 198 | tempo | tempo | tempo |
| 199 | subject | subjekt | subjek |
| 200 | bandit | bandita | bandit |
| 201 | diet | dieta | diet |
| 202 | syndrome | syndrom | sindrom |
| 203 | conflict | konflikt | konflik |
| 204 | procedure | procedura | prosedur |
| 205 | module | modul | modul |
| 206 | radar | radar | radar |
| 207 | allergy | alergie | alergi |
| 208 | laptop | laptop | laptop |
| 209 | democracy | demokracie | demokrasi |
| 210 | status | status | status |
| 211 | perfume | parfém | parfum |
| 212 | colony | kolonie | koloni |
| 213 | semester | semestr | semester |
| 214 | bonus | bonus | bonus |
| 215 | calendar | kalendář | kalender |
| 216 | taco | taco | taco |
| 217 | web | web | web |
| 218 | irony | ironie | ironi |
| 219 | principle | princip | prinsip |
| 220 | astronaut | astronaut | astronot |
| 221 | novel | román | roman |
| 222 | standard | standard | standar |
| 223 | monitor | monitor | monitor |
| 224 | discipline | disciplína | disiplin |
| 225 | server | server | server |
| 226 | melody | melodie | melodi |
| 227 | picnic | piknik | piknik |
| 228 | laser | laser | laser |
| 229 | quarantine | karanténa | karantina |
| 230 | ego | ego | ego |
| 231 | argument | argument | argumen |
| 232 | ultra | ultra | ultra |
| 233 | portal | portál | portal |
| 234 | senate | senát | senat |
| 235 | yoga | jóga | yoga |
| 236 | panel | panel | panel |
| 237 | vagina | vagina | vagina |
| 238 | hamburger | hamburger | hamburger |
| 239 | institute | institut | institut |
| 240 | protest | protest | protes |
| 241 | software | software | software |
| 242 | gin | gin | gin |
| 243 | cabin | kabina | kabin |
| 244 | detector | detektor | detektor |
| 245 | transport | transport | transport |
| 246 | dock | dok | dok |
| 247 | banana | banán | banana |
| 248 | goal | gól | gol |
| 249 | comedy | komedie | komedi |
| 250 | pastor | pastor | pastor |
| 251 | veteran | veterán | veteran |
| 252 | logic | logika | logika |
| 253 | ambulance | ambulance | ambulans |
| 254 | photographer | fotograf | fotografer |
| 255 | literature | literatura | literatur |
| 256 | compromise | kompromis | kompromi |
| 257 | pop | pop | pop |
| 258 | avatar | avatar | avatar |
| 259 | sponsor | sponzor | sponsor |
| 260 | ballet | balet | balet |
| 261 | info | info | info |
| 262 | investor | investor | investor |
| 263 | bacteria | bakterie | bakteri |
| 264 | intelligence | inteligence | intelligence |
| 265 | biology | biologie | biologi |
| 266 | transplantation | transplantace | transplantasi |
| 267 | sperm | sperma | sperma |
| 268 | transaction | transakce | transaksi |
| 269 | bunker | bunkr | bunker |
| 270 | regime | režim | rezim |
| 271 | coroner | koroner | koroner |
| 272 | reactor | reaktor | reaktor |
| 273 | banker | bankéř | bankir |
| 274 | homosexual | homosexuál | homoseksual |
| 275 | karma | karma | karma |
| 276 | soda | soda | soda |
| 277 | piano | piano | piano |
| 278 | era | éra | era |
| 279 | altar | oltář | altar |
| 280 | discussion | diskuse | diskusi |
| 281 | parliament | parlament | parlemen |
| 282 | jazz | jazz | jazz |
| 283 | minimal | minimální | minimal |
| 284 | hacker | hacker | hacker |
| 285 | digital | digitální | digital |
| 286 | tennis | tenis | tenis |
| 287 | lottery | loterie | lotere |
| 288 | marijuana | marihuana | mariyuana |
| 289 | celebrity | celebrita | selebriti |
| 290 | adrenaline | adrenalin | adrenalin |
| 291 | artifact | artefakt | artefak |
| 292 | service | servis | servis |
| 293 | philosophy | filozofie | filosofi |
| 294 | mini | mini | mini |
| 295 | complication | komplikace | komplikasi |
| 296 | blog | blog | blog |
| 297 | seminar | seminář | seminar |
| 298 | complex | komplex | komplek |
| 299 | parasite | parazit | parasit |
| 300 | magnetic | magnetický | magnetik |
No. Czech is a Slavic language and Indonesian is an Austronesian language, so they come from completely different families. The word pairs here look alike because of shared borrowing, not common ancestry.
Both languages absorbed a similar set of international terms as they built up modern vocabulary for science, professions and daily life. That's why pairs like doktor/dokter and agent/agen line up so closely, even though the two languages are unrelated.
For this set, yes. Noticing that Indonesian kartu matches Czech karta, or that program and partner barely change at all, gives you a running start; just remember that Czech grammar (cases, gender) still has to be learned separately.
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