| Subject | English | Latvian |
| transp., mech.eng. | emergency relay valve | avārijas drošības vārsts |
| commer. | relay country | trešā valsts |
| comp., MS | relay host | pārraides resursdators (A designated server through which Exchange routes all outgoing messages. The smart host then makes the remote connection. If a smart host is designated, the Exchange server only needs to transmit to the smart host, instead of repeatedly contacting the domain until a connection is made) |
| comp., MS | relay port | pārraides ports (A type of class port that defines the internal and external ports of an actor class. Can appear only on the border of an actor class. Relay ports relay incoming messages to a contained actor or outgoing messages from a contained actor) |
| comp., MS | relay server | pārraides serveris (A server that manages the exchange of messages or information among different users) |