| botch | remiendo |
| Botev Peak | Botev |
| botfly | éstrido |
| both | ambos |
| Bothel | Samtgemeinde Bothel |
| bother | preocupación |
| bother about | atender |
| Botherly | Hermanal |
| bothersome | fastidioso |
| Bothnian Bay | Golfo de Botnia |
| Bothriochloa | Bothriochloa |
| Bothrops | Bothrops |
| Bothrops alternatus | Bothrops alternatus |
| Bothrops atrox | Bothrops atrox |
| Bothrops jararaca | Bothrops jararaca |
| Botia macracantha | Chromobotia macracanthus |
| Botkyrka Municipality | Botkyrka |
| Botnet | Botnet |
| Boto | Inia geoffrensis |
| Botox | Toxina botulínica |
| Botoşani | Botoşani |
| Botoşani County | Botoşani |
| Botrytis cinerea | Botrytis cinerea |
| Botswana | Botsuana |
| Botswana national football team | Selección de fútbol de Botsuana |
| Botswana pula | Pula |
| Botswanan | botsuano |
| Bottens | Bottens |
| Botterens | Botterens |
| Botterens-Villarbeney | Botterens |
| Bottiaea | Botiea |
| bottle | embotellar |
| bottle cap | tapón |
| bottle opener | abrebotellas |
| bottle shop | botillería |
| bottle up | contener |
| bottle-feed | alimentar con biberón |
| bottle-green | verde botella |
| bottled | embotellado |
| bottled water | agua botellada |
| bottleneck | abra |
| Bottlenose Dolphin | Tursiops truncatus |
| Bottlenose whale | Hyperoodon |
| bottling | embotellamiento |
| bottom | inferior |
| bottom fuller | degollador |
| bottom quark | quark fondo |
| bottom sheet | sábana bajera |
| Bottom side | Norte |
| bottom the house | limpiar |
| bottom view | vista desde abajo |
| bottomless | sin fondo |
| bottomry | préstamo a la gruesa ventura |
| bottoms up | salud |
| Bottrop | Bottrop |
| botulism | botulismo |
| Bou Regreg | Bu Regreg |
| Boubacar Sanogo | Boubacar Sanogo |
| Bouches-du-Rhône | Bocas del Ródano |
| Boucle du Mouhoun Region | Región Boucle du Mouhoun |
| Bouddi National Park | Parque Nacional Bouddi |
| Boudewijn Zenden | Boudewijn Zenden |
| Boudica | Boudica |
| boudoir | tocador |
| Bouenza Region | Bouenza |
| bougainvillaea | buganvilla |
| Bougainville | Bougainville |
| Bougainville Island | Isla Bougainville |
| Bougainville Province | Isla Bougainville |
| bougainvillea | buganvilla |
| Bougatsa | Bougatsa |
| bough | rama |
| Bougouriba | Provincia de Bougouriba |
| Bougy-Villars | Bougy-Villars |
| bouillabaisse | bullabesa |
| bouillon | caldo |
| Bouira Province | Provincia de Bouira |
| Boukoleon Palace | Gran Palacio de Bangkok |
| Boulancourt | Boulancourt |
| boulder | canto rodado |
| bouldering | bulder |
| boule | bola |
| Boule de Suif | Bola de Sebo |
| Boulens | Boulens |
| boules | petanca |
| Bouleuterion | Bouleterión |
| boulevard | avenida |
| Boulevard des Jeunes Musiciens | Festival del Bulevar de los jóvenes músicos |
| Boulgou | Provincia de Boulgou |
| Bouligneux | Bouligneux |
| Boulkiemdé | Provincia de Boulkiemdé |
| Boulogne-Billancourt | Boulogne-Billancourt |
| Boulogne-sur-Mer | Boulogne-sur-Mer |
| Boulonnais | Lista de los condes de Boulogne |
| Boumerdès | Provincia de Boumerdès |
| Boumerdès Province | Provincia de Boumerdès |
| bounce | ser devuelto |
| bouncer | portero |
| bouncing | robusto |
| Bouncing bomb | Bomba de rebote |
| bouncing castle | brincolín |
| bound | límite |
| Bound for | Con rumbo a |
| Bound for Glory | Esta tierra es mi tierra |
| Bound up with | Relacionado con |
| boundary | delimitación |
| boundary crossing | pasar el límite |
| boundary layer | estrato límite |
| Boundary layers | Capa límite |
| Bounded rationality | Racionalidad limitada |
| Bounding box | Armadura |
| bounding main | océano |
| boundless | ilimitado |
| bounteous | liberal |
| bountiful | abundante |
| bounty | gratificación |
| Bounty Bay | Bounty |
| bounty hunter | cazarrecompensas |
| bouquet | aroma |
| Boura | Bura |
| bourbon | whisky americano |
| Bourbon Restoration | Restauración Francesa |
| Bourbon whiskey | Bourbon whisky |
| Bourbonnais | Borbonés |
| Bourg-en-Bresse | Bourg-en-Bresse |
| Bourg-Madame | Bourg-Madame |
| Bourg-Saint-Pierre | Bourg-Saint-Pierre |
| bourgeois | burgués |
