| Subject | English | Serbian Latin |
| gen. | about nine o'clock | oko devet sati |
| slang | billy-o | u velikoj meri |
| slang | billy-o | veoma |
| slang | billy-o | brzo (She's been moaning like billy-o all morning, wanting me to hang out the washing, clean the car, do the hoovering, mow the lawn, I've had enough — Gundala je u tolikoj meri celog jutra, tražeći od mene da raširim veš, operem kola, usisam, pokosim travnjak, dosta mi je!) |
| slang | billy-o | puno |
| slang | blimey o'reilly! | uzvik iznenadenja |
| gen. | cat-o'-nine-tails | bič za kažnjavanje prestupnika |
| slang | five O | policija (uzeto od naslova američke TV serije Hawaii Five O) |
| gen. | five o'clock | pet sati |
| gen. | five o'clock tea | užina |
| gen. | five o'clock tea | čaj u pet |
| law | get the O.K. | dobiti zvanično odobrenje |
| law | get the O.K. | dobiti službeno odobrenje |
| gen. | hop-o'-my-thumb | kepec |
| gen. | hop-o'-my-thumb | patuljak |
| comp., MS | I/O | U/I (The complementary tasks of gathering and distributing data. Input is data that is acquired from a device or entered by the user through a device. Output is data that is sent to a device) |
| comp. | I/O control unit | upravljački blok ulazno-izlaznog sistema |
| tech. | I/O isolation | izolacija ulaza od izlaza |
| comp., MS | I/O request packet | U/I paket sa zahtevom (Data structures that drivers use to communicate with each other) |
| comp., MS | I/O stack location | U/I lokacija steka (The part of an I/O request packet (IRP) that is allocated for each driver in a chain of layered drivers. Each driver owns one of the stack locations in the packet and obtains driver-specific information about what input/output (I/O) operation to perform on the specified device. The driver must use the supplied parameters) |
| gen. | jack-o'-lantern | varljiva svetlost |
| gen. | jack-o'-lantern | lutajući plamen nad močvarama |
| gen. | jack-o'-lantern | nosa i usta |
| gen. | jack-o'-lantern | bundeva u kojoj je zapaljena sveća, sa otvorima u obliku očiju |
| gen. | jack-o'-lantern | divlji plamen (prirodni gasovi) |
| gen. | light-o'-love | kurtizana |
| gen. | light-o'-love | ljubavnica |
| gen. | light-o'-love | namiguša |
| gen. | man-o'-war | ratni brod |
| comp., MS | memory-mapped I/O | memorijski mapiran U/I (Input/output memory (memory on hardware devices) that is accessible through a memory mapping) |
| slang | 5 - O | policija (uzeto od naslova američke TV serije Hawaii Five O) |
| tech. | O-band | O-područje |
| tech. | O-band | 0 opseg |
| gen. | o'clock | vezen uzorak (ili šara na čarapi) |
| gen. | o'clock | tkan uzorak (ili šara na čarapi) |
| gen. | o'clock | zabeležiti vreme dolaska |
| sport. | o'clock | štoperica |
| gen. | o'clock | zabeležiti vreme odlaska |
| slang | o'clock | klepnuti |
| slang | o'clock | opaliti |
| slang | o'clock | lupiti |
| gen. | o'clock | sat |
| tech. | O-electron | O-elektron |
| slang | o.j. | sok od narandže (= orange juice) |
| coll. | o' nights | noću |
| coll. | o' nights | po noći |
| opt. | o-ray | redovan zrak |
| mech.eng. | o-ring | zaptivna prstenasta gumica |
| photo. | O-ring | prstenasta gumica (služi za zaptivanje) |
| photo. | O-ring | okrugla gumica |
| tech. | O-shell | O-ljuska |
| slang | O.T.T. | izvan proseka (= Over The Top) |
| law | person of blood group O | univerzalni donor |
| law | put out an S.O.S. | pozvati pomoć |
| law | put out an S.O.S. | poslati S.O.S. signal |
| law | send an S.O.S. | poslati S.O.S. signal |
| slang | stupid o'clock | gluvo doba |
| scottish | tam-o'-shanter | velika, plitka, okrugla kapa od tkanine |
| scottish | tam-o'-shanter | beretka |
| scottish | tam-o'-shanter | velika, plitka, okrugla kapa od vune |
| irish | the top o' the morning to you! | dobro vam jutro |
| photo. | Time-O-Lite | popularna marka laboratorijskog časovnika |
| slang | wide-o | preterano osetljiva i neprijatna osoba |
| gen. | will-o-the-wisp | lutajuća svetlost |
| fig. | will-o-the-wisp | obešenjak |
| gen. | will-o-the-wisp | divlji oganj |
