| Bootcamp | boot camp |
| Boolean | Boolean |
| Booten | boot |
| booten | boot bootstrap |
| Boothaken | boathook |
| Böotien | Boeotia |
| Böotisch | Boeotian |
| böotisch | Boeotian |
| bookmark | bookmark |
| Bookmark | bookmark |
| Boom | boom |
| Boot | boat boot |
| Bootshaus | boathouse |
| Bootsmann | boatswain bosun boatman boatsman |
| Böotier | Boeotian |
| Football | association football American football |
| Brötchen | roll bread roll |
| Body-Cam | body camera |
| Boxkampf | box fight boxing match fight |
| Lötlampe | blow torch |