| boil away | evaporarse |
| boil over | irse |
| boiled | hervido |
| boiled egg | huevo cocido |
| Boiled wheat | Koliva |
| boiler | caldero |
| boiling | ebullición |
| boiling hot | ardiente |
| boiling point | punto de ebullición |
| Boiling-point elevation | Aumento ebulloscópico |
| Boinae | Booz |
| Bois de Boulogne | Bois de Boulogne |
| Bois de Vincennes | Bosque de Vincennes |
| Bois-Colombes | Bois-Colombes |
| Bois-le-Duc | Bolduque |
| Boise | Boise |
| boisterous | turbulento |
| boisterously | tumultuosamente |
| boisterously carefree | alborozado |
| Bojan Krkić | Bojan Krkić |
| Bojnice Zoo | Jardín zoológico |
| Bok | Libro |
| bok choy | repollo chino |
| Bok globule | Nube molecular |
| Bokak Atoll | Atolón Bokak |
| Bokeh | Bokeh |
| Bokeo Province | Provincia de Bokeo |
| Bokmål | bokmål |
| Bokusatsu Tenshi Dokuro-chan | Bokusatsu Tenshi Dokuro-chan |
| Boké Region | Boké |
| Bolas | Boleadoras |
| bold | audaz |
| boldface | negrita |
| boldfaced | descarado |
| boldly | vigorosamente |
| boldness | audacia |
| bole | tronco |
| Boleslas Sverkerson | Boleslao Sverkersson |
| Boleslaus | Boleslav |
| Boleslaus I of Bohemia | Boleslao I el Bravo |
| Boleslaus II of Bohemia | Boleslao II de Bohemia |
| Boleslaus III of Bohemia | Boleslao III de Bohemia |
| Boleslaw I of Poland | Boleslao I el Bravo |
| Bolesław III Wrymouth | Boleslao III el Bocatorcida |
| Bolesław IV the Curly | Boleslao IV el Rizado |
| Bolesław Prus | Bolesław Prus |
| Boletales | Boletales |
| boletus | boleto |
| boletus edulis | calabaza |
| Bolikhamsai | Provincia de Bolikhamxai |
| Bolingbroke Castle | Castillo de Bolingbroke |
| Bolivarian Alternative for the Americas | Alternativa Bolivariana para América Latina y el Caribe |
| Bolivarian Armada of Venezuela | Armada Nacional de Venezuela |
| Bolivarian Circles | Círculos Bolivarianos |
| Bolivarian Games | Juegos Bolivarianos |
| Bolivarian Missions | Misiones Bolivarianas |
| Bolivarian Republic of Venezuela | República Bolivariana de Venezuela |
| Bolivarian Revolution | Revolución Bolivariana |
| Bolivarian University of Venezuela | Universidad Bolivariana de Venezuela |
| Bolivarianism | Bolivarianismo |
| Bolivia | Bolivia |
