| Baculovirus | baculovirus |
| Callovium | Callovian |
| Norovirus | norovirus |
| Antivirus | antivirus |
| Ebolavirus | Ebola virus |
| Aidsvirus | Aids virus HIV |
| Bacchus | Bacchus |
| Bachelor | bachelor's degree |
| Backbord | port larboard |
| backbord | port |
| Backform | baking tin |
| Backpulver | baking powder |
| Bächlein | rivulet streamlet rill |
| Vasculitis | vasculitis |
| Aulos | aulos |
| Couloir | couloir |
| fabulös | fabulous |
| Kasimovium | Kasimovian |
| HI-Virus | HIV |
| Mosaikvirus | mosaic |