| Subject | Portuguese | English |
| astronaut. | Acordo sobre o Salvamento dos Astronautas, Regresso dos Astronautas e Restituição dos Objectos lançados no Espaço Extra-Atmosférico | Agreement on the Rescue of Astronauts, the Return of Astronauts and the Return of Objects Launched into Outer Space |
| med. | anquilose extra-articular | bony ankylosis |
| med. | artródese extra-articular | extra-articular arthrodesis |
| transp., avia. | assento extra | rumble seat |
| med. | assistência extra-hospitalar a doentes mentais | community care of the mentally ill |
| gen. | atividade extra-agrícola e extrassilvícola | non-agricultural and non-forestry activity |
| med. | atresia dos ductos extra-hepáticos | atresia of extrahepatic ducts |
| gen. | auxílio extra-CECA | non-ECSC aid |
| agric. | azeite virgem extra | extra virgin olive oil |
| transp., avia. | bagagem extra | additional baggage |
| comp., MS | Biblioteca de Extras | Extras Library (A renaming of the Vista Program Library experience that showcases and allows quick access to installed Media Center Extras) |
| commun. | bit extra | extra bit |
| commun. | bit extra | added bit |
| el. | bloco extra | extra block |
| el. | bloco extra | added block |
| med. | bloqueio extra-hepático | extrahepatic block |
| med. | colangite das vias biliares extra-hepáticas | extrahepatic cholangitis |
| med. | colestase extra-hepática | obstructive jaundice |
| med. | colestase extra-hepática | obstructive icterus |
| econ. | comércio extra-UE | extra-EU trade |
| account. | comércio intra-UE/extra-UE | intra-EU/extra-EU trade |
| IMF. | conta extra-orçamentária | extrabudgetary fund |
| IMF. | conta extra-orçamentária | extrabudgetary account |
| math. | delineamento permutado com período extra | extra period change over design |
| comp., MS, Braz. | depreciação extra | bonus depreciation (Extra depreciation amounts that can be taken in the first year that an asset is placed in service and depreciated. Bonus depreciation is taken before any other depreciation is calculated and is available only for depreciation books) |
| fin. | dividendo extra | extra dividend |
| fin. | dividendo extra | bonus-dividend |
| fin. | dividendo extra | cash bonus |
| fin. | dividendo extra | supplementary dividend |
| fin. | dividendo extra | special dividend |
| fin. | dividendo extra | amount of surplus |
| ed. | Educação extra-escolar | out of school education |
| health. | efeitos extra-auditivos do ruído | extra-aural noise effects |
| health. | efeitos extra-auditivos do ruído | extra-auditive effects of noise |
| environ. | espaço extra-atmosférico | outer space allocation plan, Area out of closed settlements or building, area out of closed settlements or building |
| econ. | espaço extra-atmosférico | extra-atmospheric space |
| med. | extra-amniótico | extra-amniotic |
| comp., MS | extra claro | extra-light (Having a font weight that corresponds to a weight class value of 200 according to the OpenType specification) |
| med. | extra-hepático | extrahepatic |
| fin. | extra-Método do Modelo Interno | non-internal model method |
| med. | extra-renal | outside the kidney |
| med. | extra-renal | extrarenal |
| med. | extra-sístole | premature heart contraction |
| med. | extra-sístole | extrasystole |
| econ., polit., loc.name. | extra zona | unzoned |
| comp., MS | Extras do Media Center | Media Center Extras (A collection of third-party extensibility applications for Windows Media Center) |
| comp., MS | Extras do Windows Ultimate | Windows Ultimate Extras (Programs, services, and tips and tricks for using Windows Vista Ultimate Edition. Users can select the programs and services that they want from a menu) |
| comp., MS, Braz. | Extras do Windows Ultimate Edition | Windows Ultimate Extras (Programs, services, and tips and tricks for using Windows Vista Ultimate Edition. Users can select the programs and services that they want from a menu) |
| proced.law. | filho extra-matrimonial | illegitimate child |
| proced.law. | filho extra-matrimonial | natural child |
| proced.law. | filho extra-matrimonial | child born out of wedlock |
| invest. | fundo de investimento alternativo extra-UE | non-EU alternative investment fund |
| IMF. | fundo extra-orçamentário | extrabudgetary fund |
| IMF. | fundo extra-orçamentário | extrabudgetary account |
| fin. | gestor de fundos de investimento alternativos extra-União Europeia | non-EU AIFM |
| gen. | GFIA extra-UE | non-EU AIFM |
| med. | glândulas mucosas dos canais biliares extra-hepáticos | mucous bile glands |
| comp., MS, Braz. | horas extras | overtime (The amount of work on an assignment that is scheduled beyond the regular working hours of an assigned resource and charged at the overtime rate) |
| IMF. | operação extra-orçamentária | off-budget activity |
| IMF. | operação extra-orçamentária | off-budget transaction |
| life.sc. | países secretos extra-EUR 12 | secret extra-EUR 12 countries |
| stat. | perda extra | regret |
| el. | perda na transmissão por difração extra | extra-diffraction transmission loss |
| health. | pneumonia extra-hospitalar | community-acquired pneumonia |
| fin. | posição extra-carteira de negociação | non-trading-book position in financial instruments |
| fin. | posição extra-carteira de negociação | non-trading-book position |
| fin. | posições extra carteira de negociação | non-trading-book positions |
| commun., IT | precisão extra de pesquisa | Extra Search Precision |
| el. | probabilidade de blocos extra | extra block probability |
| el. | probabilidade de blocos extra | added block probability |
| radio | procura de mensagens extra-terrestres | search for extra-terrestrial intelligence |
| health. | prática clínica extra-hospitalar | non-hospital clinical practice |
| agric., tech. | qualidade extra | extra quality |
| agric., tech. | qualidade extra | selected quality |
| agric., tech. | qualidade extra | choice quality |
| gen. | recursos turísticos hoteleiros e extra-hoteleiros | tourist accommodation hotels and other |
| gen. | recursos turísticos hoteleiros e extra-hoteleiros | tourist accommodation in hotels and elsewhere |
| gen. | recursos turísticos hoteleiros e extra-hoteleiros | hotels and other tourist accommodation |
| fin., agric. | rendimento extra-agrícola | non-farm income |
| fin. | taxa do risco de crédito da contraparte extra carteira | non-trading book counterparty credit risk charge |
| law, lab.law. | trabalho extra | supplementary work |
| lab.law. | trabalho extra | double working |
| law, lab.law. | trabalho extra | additional work |
| med. | tumor extra-axial | extra-axial tumour |
| med. | tumor extra-axial | extra-axial tumor |
| math. | variação extra-Poisson | extra-Poisson variation |
| anim.husb. | Via extra-amniótica | Extra-amniotic use |
| transp. | voos extra-veiculares | Extra-vehicular Activity |