| Subject | English | Spanish |
| econ., el. | back end | unidad final |
| met. | back end | marca de fondo |
| comp., MS | back end | back-end (The part of a compiler that transforms source code (human-readable program statements) into object code (machine-readable code)) |
| econ., el. | back end | unidad de fabricación final |
| IT | back-end | trasero final |
| comp., MS | back-end application | back-end (In a client/server application, the part of the program that runs on the server) |
| dat.proc. | back-end computer | procesador especializado |
| dat.proc. | back-end computer | ordenador subordinado |
| dat.proc. | back-end computer | ordenador especializado |
| fin., energ.ind. | back-end cost | coste "final" |
| comp., MS | back-end database server | servidor de base de datos back-end (A server that hosts data, configuration settings, and stored procedures that are associated with one or more applications) |
| IT | back-end IC | circuito integrado en etapa final |
| IT | back-end integrated circuit | circuito integrado en etapa final |
| fin. | back-end load | recargo por amortización anticipada |
| fin. | back-end load fund | fondo con cargo por amortización |
| nucl.phys. | back-end of the fuel cycle | parte terminal del ciclo de combustión |
| IT | back-end operation | operación de acondicionamiento |
| dat.proc. | back-end processor | ordenador especializado |
| dat.proc. | back-end processor | ordenador subordinado |
| dat.proc. | back-end processor | procesador especializado |
| IT | back-end processor | procesador de salida |
| real.est. | back-end ratio | relación entre los pagos mensuales sobre deudas y los ingresos mensuales |
| fin. | back-end ratio | relación entre los pagos mensuales de deudas y los ingresos mensuales |
| IT | back-end server | servidor final |
| comp., MS | CRM Back End Server | servidor back-end de CRM (A back-end server in CRM that runs the server roles, incl. Asynchronous Processing Service, Sandbox Service, and SharePoint Integration Service) |
| mech.eng. | cylinder back end | tapa de cilindro |
| mech.eng. | cylinder back end | fondo de cilindro |
| mech.eng. | cylinder back end | cabezal de cilindro |
| real.est. | debt-to-income ratio, back end ratio debtor | VER borrower |
| real.est. | debt-to-income ratio, back end ratio debtor | deudor |
| comp., MS | front-end/back-end application | aplicación front-end/back-end (" An application consisting of a "back-end" database file that contains tables, and copies of a "front-end" database file that contain all other database objects with links to the back-end tables.") |
| chem., el. | rolling back of ends | rebatimiento de los bordes |