| Subject | English | Croatian |
| el. | electrical relay | električni relej |
| transp., mech.eng. | emergency relay valve | kočni ventil priključnog vozila |
| commer. | relay country | treće zemlje |
| comp., MS | relay host | glavno računalo za razmjenu (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 server | poslužitelj za razmjenu (A server that manages the exchange of messages or information among different users) |