| Subject | English | Spanish |
| gen. | assembly for failed fuel element localisation | equipo de localización de rotura de vainas |
| gen. | assembly for failed fuel element localisation | equipo de localización de fallo de elementos combustibles |
| gen. | assembly for failed fuel element localization | equipo de localización de fallo de elementos combustibles |
| gen. | assembly for failed fuel element localization | equipo de localización de rotura de vainas |
| nucl.phys. | Cherenkov effect failed fuel element detector | detector por efecto Cerenkov de un elemento combustible fallado |
| nucl.phys. | delayed neutron failed fuel element detector | detector de elemento combustible fallado por neutrón retardado |
| transp. | electrically-failed joint | junta quemada |
| automat. | electrostatic collector failed element monitor | vigía de colector electrostático |
| nucl.phys. | electrostatic collector failed fuel element detector | detector de colector electrostático para fallos de elementos combustibles |
| immigr. | failed applicant | solicitante al que se le ha denegado la protección internacional |
| agric. | failed area | calva |
| agric. | failed area | marra |
| immigr. | failed asylum seeker | solicitante al que se le ha denegado la protección internacional |
| automat. | failed element detection and localizing equipment | equipo detector y localizador de elementos combustibles averiados |
| automat. | failed element indicator | indicador de averías |
| automat. | failed element monitor | monitor de averías |
| gen. | failed fuel | combustible deteriorado |
| nucl.phys. | failed fuel element detector | detector de fallo de elemento combustible |
| gen. | failed fuel element monitor | monitor de rotura de vainas |
| gen. | failed fuel element monitor | monitor de fallos de elementos combustibles |
| comp., MS | failed function | función con errores (The function call from the call stack that actually caused an exception, for example, the last method called from the user code or a call to a web service or .NET Remoting call) |
| fin., scient. | failed head and shoulders | cabeza y hombros incompleta |
| IMF. | failed institution | institución insolvente |
| IMF. | failed institution | institución en quiebra |
| agric. | failed patch | calvas |
| agric. | failed plantation | claros |
| dril. | failed rock | roca que ha fallado |
| commun., IT | failed route | ruta en avería |
| ed. | failed save | fallo al guardar la solicitud |
| commun., IT | failed span | enlace en fallo |
| commun., IT | failed span | enlace averiado |
| gen. | failed state | Estado fallido |
| gen. | failed subject | asignatura pendiente |
| comp., MS | failed transaction | transacción errónea (A transaction that encountered an error and was not able to complete) |
| law | failure to comply with judgments declaring a Member State to have failed to fulfil its obligations | no ejecución de sentencias por las que se declara un incumplimiento |
| meas.inst. | fission product separator failed element monitor | vigía de averías por separación de los productos de fisión |
| nucl.phys. | fission product separator failed fuel element detector | detector de elemento combustible fallado por separación de productos de fisión |
| law | to have manifestly failed to observe the provisions of the Treaty or any rule of law relating to its application | haber ignorado infringido manifiestamente las disposiciones del tratado o cualquier norma jurídica relativa a su ejecución |
| gen. | he failed maths | suspendió matemáticas |
| gen. | he failed on his second attempt | falló su segunda tentativa |
| gen. | he failed to live up to his father's expectations | defraudó las expectativas de su padre |
| gen. | his heart failed | le falló el corazón |
| gen. | his memory failed | le falló la memoria |
| gen. | I failed maths | me tumbaron en matemáticas |
| gen. | I failed physics | me reprobaron en física |
| gen. | I failed the mathematics exam | me estrellé en la prueba de matemáticas |
| gen. | I failed to gauge the distance and I fell | calculé mal la distancia y me caí |
| gen. | I haven't failed anything | no he tenido ningún suspenso |
| gen. | leakage from failed fuel elements | fuga de elementos de combustibles deteriorados |
| commun. | number of failed seize attempts RECC | número de intentos fallidos RECC |
| transp., construct. | replacement of failed area | saneamiento local |
| transp., construct. | replacement of failed area | reconstrucción local |
| gen. | she failed to keep her promise | no cumplió su promesa |
| gen. | the batter failed to hit the ball | el jugador no consiguió batear la pelota |
| gen. | the harvest failed | se malogró la cosecha de cereales |
| gen. | they narrowly failed to achieve their victory | se quedaron a las puertas de la victoria |
| gen. | we failed to obey his orders | no obedecimos sus órdenes |
| gen. | We have failed the test to enter the cheerleading squad | Hemos fallado la prueba para entrar al equipo de porristas |