| bos | wood |
| Bos van Białowieża | Białowieża Forest |
| bos- | sylvan |
| Bosaardbei | Strawberry |
| Bosadder | Atheris squamigera |
| Bosandoorn | Stachys sylvatica |
| bosanemoon | wood anemone |
| Bosanska Krajina | Bosanska Krajina |
| Bosanski Brod | Bosanski Brod |
| Bosanski ostrodlaki gonic barak | Bosnian Coarse-Haired Hound |
| Bosaso | Bosaso |
| Bosau | Bosau |
| bosbedrijf | forestry |
| Bosbeekjuffer | Beautiful Demoiselle |
| Bosbeekschildpad | Wood Turtle |
| bosbes | bilberry |
| Bosbessen | Vaccinium |
| bosbessenstruik | bilberry |
| Bosbies | Scirpus |
| bosbok | bushbuck |
| bosbouw | forestry |
| bosbouwkunde | forestry |
| Bosch | Bosch |
| Bosco Marengo | Bosco Marengo |
| bosdroogbloem | wood cudweed |
| bosdruif | clematis |
| Bose-Einsteincondensaat | Bose-Einstein condensate |
| Boserebia | Arran brown butterfly |
| Bosfinnen | Forest Finns |
| bosgebied | woodland |
| Bosgeelster | Gagea |
| Bosgeitantilopen | Nemorhaedus |
| bosgod | faun |
| Boshin-oorlog | Boshin War |
| boshond | bush dog |
| bosje | bush |
| bosjes | shrubbery |
| Bosjesman | Bushman |
| boskat | wildcat |
| boskennis | woodcraft |
| Boskortsteel | False Brome |
| Bosmanarrest | Bosman ruling |
| Bosmeester | Lachesis muta |
| bosmuis | wood mouse |
| Bosmuizen | Apodemus |
| Bosna | Bosna |
| Bosniak | Bosniak |
| Bosniakken | Bosniaks |
| bosnimf | dryad |
| Bosnisch | Bosnian |
| Bosnisch Podrinje | Bosnian Podrinje Canton |
| Bosnische | Bosnian |
| Bosnische convertibele mark | Bosnia and Herzegovina convertible mark |
| Bosnische inwisselbare mark | Bosnia and Herzegovina konvertibilna marka |
| Bosnische oorlog | War in Bosnia and Herzegovina |
| Bosnië | Bosnia |
| Bosnië en Herzegovina | Bosnia and Herzegovina |
| Bosnië en Herzegovina en het Eurovisie Songfestival | Bosnia and Herzegovina in the Eurovision Song Contest |
| Bosnië-Hercegovina | Bosnia-Hercegovina |
| Bosniër | Bosnian |
| Bosniërs | Bosnians |
| Bosolifant | African Forest Elephant |
| boson | boson |
| Bosoniden | Bosonid dynasty |
| Bosooievaarsbek | Wood Cranesbill |
| Bosparelmoervlinder | Heath Fritillary |
| Bosporus | Bosphorus |
| Bosporusbrug | Bosphorus Bridge |
| Bosporuskoninkrijk | Bosporan Kingdom |
| Bosra | Bosra |
| Bosrank | Clematis vitalba |
| Bosrijk | Well wooded |
| bosrijke streek | woodland |
| Bosscha Observatorium | Bosscha Observatory |
| bosschage | copse |
| bosseleren | emboss |
