| Subject | English | Maltese |
| gen. | Aid Effectiveness Operational Framework | Qafas Operattiv tal-UE dwar l-Effikaċja tal-Għajnuna |
| gen. | Corporate Operational Plan | Pjan Korporattiv tal-Operat |
| transp., nautic., environ. | Energy Efficiency Operational Index | Indiċi Operattiv tal-Effiċjenza Enerġetika |
| tech., law, el. | ENTSO-E operational planning data environment | infrastruttura ta' dejta għall-ippjanar operazzjonali tal-ENTSO-E |
| gen. | EU Operational Framework on Aid Effectiveness | Qafas Operattiv tal-UE dwar l-Effikaċja tal-Għajnuna |
| immigr. | European Agency for the Management of Operational Cooperation at the External Borders of the Member States of the European Union | aġenzija Ewropea għall-Ġestjoni tal- Koperazzjoni Operazzjonali mal-Fruntieri Esterni tal-Istati Membri tal-Unjoni Ewropea |
| gen. | European Agency for the Management of Operational Cooperation at the External Borders of the Member States of the European Union | Aġenzija Ewropea għall-Ġestjoni ta' Koperazzjoni Operazzjonali fil-Fruntieri Esterni tal-Istati Membri tal-Unjoni Ewropea |
| immigr., IT | European Agency for the Operational Management of Large-Scale IT Systems in the Area of Freedom, Security and Justice | Aġenzija tal-UE għal Sistemi tal-IT Fuq Skala Kbira |
| immigr., IT | European Agency for the Operational Management of Large-Scale IT Systems in the Area of Freedom, Security and Justice | Aġenzija Ewropea għat-Tmexxija Operattiva tas-Sistemi tal-IT Fuq Skala Kbira fl-Ispazju ta' Libertà, Sigurtà u Ġustizzja |
| obs. | European Agency for the Operational Management of Large-Scale IT Systems in the Area of Freedom, Security and Justice | Aġenzija tal-IT |
| transp. | full operational capability | Kapaċità Operattiva Sħiħa |
| gen. | full operational capability | kapaċità operattiva sħiħa |
| gen. | initial operational capability | kapaċità operattiva inizjali |
| fin. | internally generated operational risk measures | kejl tar-riskju operazzjonali ġġenerat internament |
| gen. | joint operational programme | programm operattiv konġunt |
| bank. | minimum own funds requirements for operational risk | rekwiżiti minimi ta' fondi proprji għar-riskju operazzjonali |
| IT, nat.sc. | operational analysis | riċerka operattiva |
| IT, nat.sc. | operational analysis | analiżi operattiva |
| fin. | operational appropriation | approprjazzjoni operazzjonali |
| fin. | operational appropriation | approprjazzjoni operattiva |
| fin. | operational chapter | kapitolu operazzjonali |
| transp., tech., law | operational clearance | spazju ħieles għat-tħaddim |
| fin. | operational commitment | impenn operazzjonali |
| chem. | operational condition | kondizzjoni operattiva |
| gen. | operational cooperation | koperazzjoni operattiva |
| unions. | operational definition | definizzjoni operazzjonali |
| transp., avia. | operational envelope | żona operazzjonali |
| gen. | operational environment | ambjent operattiv |
| fin. | operational expenditure | nefqa operazzjonali |
| econ. | operational expenditure EU | nefqa operattiva (UE) |
| econ. | operational guidance | Gwida operazzjonali |
| immigr. | operational management | mmaniġġjar operazzjonali |
| fin. | operational means for development | mezzi operazzjonali għall-iżvilupp |
| el. | operational network security | sigurtà operazzjonali tan-netwerk |
| el. | operational network security | sigurtà operattiva tan-network |
| gen. | operational phase | fażi operattiva |
| gen. | operational plan | Pjan Operattiv |
| gen. | operational planning | pjanifikazzjoni operattiva |
| gen. | operational planning | ippjanar operazzjonali |
| transp., avia. | operational procedure | proċedura operazzjonali |
| fin., econ. | operational programme | programm operazzjonali |
| polit., agric. | operational programmes | programmi operazzjonali |
| polit., agric. | operational programmes | programmi operattivi |
| immigr. | operational reactivity | reattività operattiva |
| econ. | operational reliability | affidabilità operazzjonali |
| fin., IT | operational requirement | rekwiżit operazzjonali |
| IT, nat.sc. | operational research | analiżi operattiva |
| IT, nat.sc. | operational research | riċerka operattiva |
| fin., insur. | operational risk | riskju operazzjonali |
| fin. | operational risk capital | kapital għar-riskji operazzjonali |
| fin., insur. | operational risk charge | imposta għar-riskju operazzjonali |
| fin. | operational risk database | bażi ta' dejta tar-riskji operazzjonali |
| fin. | operational risk estimates | stimi tar-riskji operazzjonali |
| fin. | operational risk exposure | skopertura tar-riskji operazzjonali |
| fin. | operational risk losses | telf mir-riskji operazzjonali |
| fin. | operational risk measure | miżura għar-riskji operazzjonali |
| fin. | operational risk measurement system | sistema għall-kejl tar-riskji operazzjonali |
| nucl.pow. | Operational Safety Analysis Review Team | Grupp ta' Eżami tas-Sikurezza Operazzjonali |
| nucl.pow. | Operational Safety Assessment Review Team | Grupp ta' Eżami tas-Sikurezza Operazzjonali |
| nucl.pow. | Operational Safety Review Team | Grupp ta' Eżami tas-Sikurezza Operazzjonali |
| el. | operational security | sigurtà operattiva tan-network |
| el. | operational security | sigurtà operazzjonali tan-netwerk |
| tech., law, el. | operational security limits | limiti ta' sigurtà operazzjonali |
| tech., law, el. | operational security performance indicators | indikaturi tal-prestazzjoni ta' sigurtà operazzjonali |
| tech., law, el. | operational security ranking | klassifikar tas-sigurtà operazzjonali |
| gen. | pre-operational phase | fażi pre-operattiva |
| gen. | Standing Committee on Operational Cooperation on Internal Security | Kumitat Permanenti għall-kooperazzjoni operattiva dwar is-sigurtà interna |
| gen. | Standing Committee on Operational Cooperation on Internal Security | Kumitat għas-Sigurtà Interna |
| law | strategic guidelines for legislative and operational planning | linji gwida strateġiċi għal ippjanar leġislattiv u operazzjonali |