| Bollwerk | bastion bulwark bulkhead fortress rampart stronghold |
| Bollern | thud |
| bollern | thud |
| böllern | fire fire a salut |
| Böller | firecracker |
| Sollwert | setpoint |
| Bolle | bulb |
| Collier | necklace |
| Rollweg | taxiway |
| Völler | glutton |
| voller | full of |
| Wollware | woolen |
| Zöllner | tax collector customs officer |
| kollern | gobble |
| Holler | elder |
| Poller | bollard |
| Roller | scooter kick scooter Harzer |
| Söller | roof terrace roof-deck attic |
| Vollverb | full verb main verb |
| Stellwerk | interlocking |