| track back | undur | undur | undur | Komunikasi Massa |
| countdown | hitung undur | hitung undur | hitung undur | Komunikasi Massa |
| reverse sensor | sensor undur | penderia undur | penderia undur | Kejuruteraan |
| back wash | ombak undur | ombak undur | ombak undur | Pertanian |
| back timing | pemasaan undur | pemasaan undur | pemasaan undur | Komunikasi |
| backdated cheque | cek undur tarikh | cek undur tarikh | cek undur tarikh | Ekonomi |
| backward elimination techniques | teknik eliminasi undur | teknik eliminasi undur | teknik eliminasi undur | Perubatan |
| pull-back shot | syot tarik undur | syot tarik undur | tangkap/syot tarik-undur | Komunikasi Massa |
| backoff | mundur | undur | undur | Aeroangkasa |
| reverse tape | pita balik | undur pita | undur pita | Komunikasi Massa |