| Subject | French | English |
| org.name. | Agence d'investigation environnementale | Environmental Investigation Agency |
| gen. | Agence d'état d'investigation et de protection | State Investigation and Protection Agency |
| med.appl. | appareil d'investigation pulmonaire | vertical cassette stand |
| construct. | appareillage d'investigation | research equipment |
| law | Bureau central d'investigation | Central Bureau of Investigation |
| UN, account. | Bureau des inspections et investigations | Office for Inspections and Investigations |
| crim.law. | Bureau national d'investigations policières | National Crime Squad |
| corp.gov. | cadre d'investigation | frame of investigation |
| fish.farm. | centre d'investigation de la pêche | Fisheries Research Centre |
| commun., tech. | centre d'investigation de l'interurbain | Centralized Ticket Investigation |
| org.name. | Centre d'investigation épidémiologique | Disease Investigation Centre |
| social.sc. | Centre d'investigations sociologiques | Centre for Sociological Research |
| gen. | chambre d'investigation | pretrial chamber |
| stat. | champ d'investigation | field to be covered |
| stat. | champ d'investigation | scope of survey |
| stat. | champ d'investigation | branch of survey |
| social.sc., nat.sc. | Comité pour l'investigation scientifique des affirmations sur le paranormal | Committee for the Scientific Investigation of Claims of the Paranormal |
| gen. | degré d'investigation | degree of investigation |
| med. | dispositif destiné à des investigations cliniques | device intended for clinical investigation |
| fin., account. | domaine d'investigation | audit field |
| law, fin. | domaine d'investigation | audit sphere |
| ed. | démarche d'investigation | enquiry-based education |
| el.tract. | essai d'investigation | investigation test |
| nat.sc. | essai d'investigation | fact-finding trial |
| transp., tech. | essais d'investigation aux grandes vitesses | high-speed investigation tests |
| law | investigation administrative | administrative investigation |
| law | investigation aléatoire | random investigation |
| life.sc., transp. | Investigation belge d'objets volants non identifiés | Belgian unidentified Flying Objects Investigation |
| med. | investigation clinique | clinical research |
| med. | investigation clinique | clinical investigation |
| environ. | investigation de détail | detailed investigation |
| law | investigation d'office | ex proprio motu investigation |
| life.sc. | investigation glaciologique | glaciological investigation |
| environ. | investigation historique | collection of historical data |
| law, IT | investigation informatique | digital forensics |
| law, IT | investigation informatique | computer forensics |
| law, IT | investigation numérique | digital forensics |
| law, IT | investigation numérique | computer forensics |
| gen. | investigation par forages profonds du granit | investigation of granite formations at great depth |
| law | investigation par échantillon | sample investigation |
| environ. | investigation préalable | preliminary investigation |
| law | investigation selon les quotas | quota investigation |
| law, transp. | investigation sur l'épave | examination of the wreckage |
| environ. | investigation technique | technical investigation |
| gen. | investigation tous azimuts | fishing expedition |
| gen. | investigations pour affaires | business investigations |
| transp. | investigations techniques | investigation |
| transp., avia. | investigations techniques et prévention des accidents | accident investigation and prevention |
| commun. | journalisme d'investigation | investigative journalism |
| account. | limitation du champ d'investigation | restriction of audit scope |
| mil., logist. | mener une investigation | carry out an investigation |
| law, crim.law. | mesure d'investigation | investigative measure |
| law, crim.law. | mesure d'investigation | investigation measure |
| gen. | mission d'investigation | investigation mission |
| gen. | moyens d'investigation officiels | official means of investigation |
| nat.sc. | méthode d'investigation | method of research |
| med. | méthodes d'investigation de la fonction respiratoire | respiratory function tests |
| polit. | Office d'investigation et de discipline | Investigation and Disciplinary Office of the Commission |
| polit. | Office d'investigation et de discipline | Investigation and Disciplinary Office |
| pharma., R&D. | plan d'investigation pédiatrique | paediatric investigation plan |
| mil., logist. | plan d'emploi des moyens d'investigation | intelligence collection assets employment plan |
| law, market. | pouvoir d'investigation des autorités | authorities'power of investigation |
| polit., fin., econ. | pouvoirs d'investigation | powers of investigation |
| gen. | procédure d'investigation approfondie | detailed investigation procedure |
| law, fin. | périmètre d'investigation | area of investigation |
| law | rapport d'investigation concernant la responsabilité | report of investigation about liability |
| gen. | Service des applications spécialisées aux investigations criminelles | Specialist Criminal Investigation Applications Department |
| nucl.pow. | seuil d'investigation | Investigation level |
| transp. | système d'investigation des courants de trafic | traffic flow investigation system |
| agric. | transformation globale d'investigation pour le développement | global transformation of research for development |
| stat. | travail d'investigation | field work |
| gen. | travail d'investigation | fieldwork |
| construct. | travaux d'investigation et d'étude | investigation and design work |
| construct. | travaux d'investigation et d'étude | reconnaissance and design work |
