| Subject | English | Polish |
| social.sc., IT, R&D. | European Statistical System networks | sieć europejskiego systemu statystycznego |
| gen. | European Statistical System networks | sieć ESS |
| gen. | European Statistical System networks | ESSnet |
| waste.man. | gravity sewage system network | sieć układu kanalizacji grawitacyjnej |
| comp., MS | Systems Network Architecture | SNA (A network model devised by IBM to enable IBM products, including mainframes, terminals, and peripherals, to communicate and exchange data) |
| polit. | Systems Network Engineering and Architecture | Inżynieria i Architektura Sieci Informatycznych |