| back burn = back fire | membakar pintas | Tiada | membakar pintas | Perhutanan |
| back to back (shooting) | penggambaran kembar (filem) | penggambaran kembar (filem) | penggambaran kembar (filem) | Komunikasi Massa |
| back-to-back loan | pinjaman bahu-membahu | pinjaman belakang ke belakang | pinjaman belakang ke belakang | Ekonomi |
| fold back (lihat play back) | saji balik | limpah bunyi | limpah bunyi | Komunikasi Massa |
| back mutation | mutasi balik | Tiada | mutasi balik | Kimia |
| back attack | serangan belakang | Tiada | serangan belakang | Kimia |
| back acceptance | penerimaan balik | Tiada | penerimaan balik | Kimia |
| back mutation | mutasi ke asal | Tiada | mutasi ke asal | Pertanian |
| back cross | silang balik | Tiada | kacukan ke asal | Pertanian |
| back bulbs | umbi lapis | Tiada | ibu bebawang | Pertanian |