| besmear | untar |
| besmirch | manchar |
| Besneville | Besneville |
| besom | escoba |
| Besom broom | Basura de bruja |
| bespatter | salpicar de |
| bespectacled | que |
| Bessarabia | Besarabia |
| Bessarabia Germans | Alemanes de Besarabia |
| Bessarabian Soviet Socialist Republic | República Soviética Socialista de Besarabia |
| Bessel filter | Filtro de Bessel |
| Bessel function | Función de Bessel |
| Besselian epoch | Época de Bessel |
| Bessemer process | Convertidor Thomas-Bessemer |
| Bessi | Tribu de los Besos |
| Besso | Besos |
| Bessus | Besos |
| best | mejor |
| best man | padrino de boda |
| best regards | atentamente |
| Best Rock Song | Premio Grammy por Mejor Canción Rock |
| best seller | éxito de librería |
| best wishes | felicitaciones |
| best-seller | éxito de librería |
| Bestia | Lucio Calpurnio Bestia |
| bestial | cruel |
| bestiality | bestialidad |
| bestir oneself to | moverse |
| Bestla | Bestla |
| bestow | dar |
| bestow a medal on | condecorar |
| bestowal | dádiva |
| bestowing | otorgamiento |
| bestseller | éxito de librería |
| Besòs | Besós |
| bet | opinión |
| bet on | apostar a |
| beta | beta |
| Beta Andromedae | Mirach |
| Beta Aquarii | Beta Aquarii |
| Beta Aquilae | Alshain |
| Beta Canis Maioris star | Estrellas Beta Canis Majoris |
| Beta Cassiopeiae | Caph |
| Beta cell | Células beta |
| Beta Cephei star | Estrellas Beta Cephei |
| Beta Cephei variable | Estrella variable Beta Cephei |
| Beta Colony | Colonia Beta |
| Beta Crucis | Becrux |
| Beta decay | Desintegración beta |
| Beta function | Función beta |
| Beta Israel | Beta Israel |
| Beta Leporis | Nihal |
| Beta Librae | Zubeneschamali |
| Beta Lyrae | Beta Lyrae |
| Beta Lyrae star | Estrellas Beta Lyrae |
| Beta Ophiuchi | Cebalrai |
| Beta oxidation | Beta oxidación |
| beta radiation | radiación beta |
| Beta Scorpii | Acrab |
| Beta sheet | Beta-lámina |
| Beta Tauri | Beta Tauri |
| Beta Ursae Majoris | Merak |
| Beta Ursae Minoris | Kochab |
| Beta Virginis | Zavijava |
| beta wave | onda beta |
| Beta-lactam | Antibiótico betalactámico |
| Beta-lactam antibiotic | Antibiótico betalactámico |
| Betacism | Betacismo |
| Betaherpesvirinae | Betaherpesvirinae |
| Betanzos | Betanzos |
| Betar | Beitar |
| Betasuchus | Betasuchus |
| betel | betel |
| Betelgeuse | Betelgeuse |
| Beth Allen | Beth Allen |
| Beth Anderson | Música |
| Bethany | Betania |
| Bethlehem | Belén |
| Bethlehem of Galilee | Belén |
| Bethlehem scene | nacimiento |
| Bethsaida | Betsaida |
| Betim | Betim |
| betimes | a buena hora |
| Betis | Betis |
| Betla National Park | Parque Nacional de Betla |
| Beto Vázquez Infinity | Beto Vázquez Infinity |
| betoken | presagiado |
| betony | betónica |
| betray | engañar |
| betrayal | traición |
| betrayer | delator |
| betroth | desposar |
| betrothal | esponsales |
| betrothed | comprometido |
| betrothment | esponsales |
| Betschwanden | Betschwanden |
| Bette Davis | Bette Davis |
| Bette Midler | Bette Midler |
| Betten | Betten |
| Bettens | Bettens |
| better | mejor |
| better half | media naranja |
| better late than never | más vale tarde que nunca |
| better than | más que |
| Better Than Chocolate | Better than Chocolate |
| betterment | mejora |
| betting | apostar |
| Betting forecast | Pronóstico en medicina |
| Bettingen | Bettingen |
| Bettino Craxi | Bettino Craxi |
| Betty Boop | Betty Boop |
| Betty Carter | Betty Carter |
| Betty Ford | Betty Ford |
| Betty Hutton | Betty Hutton |
| Betty Robinson | Elizabeth Robinson |
| Betty Williams | Betty Williams |
| Betula | Betula |
| Betulaceae | Betulaceae |
| Betwa River | Betwa |
| between | entre |
| Between Order and Model | Between Order And Model |
| between Scylla and Charybdis | entre la espada y la pared |
| Between the Buttons | Between the Buttons |
| between times | entretanto |
| Between two fires | Infiltrados |
| Between whiles | De tarde en tarde |
| betwixt | entre |
| bevel | biselar |
| beveled | biselado |
| beveling | biselado |
| bevelled | biselado |
| bevelling | biselado |
| Bever | Bever |
| beverage | bebida |
| beverage industry | industria de las bebidas |
| Beverage man | Acuario |
| Beverly Hills | Beverly Hills |
| Beverly Hills Cop | Beverly Hills Cop |
| Beverly Hills Cop II | Beverly Hills Cop II |
| Beverly Hills Cop III | Beverly Hills Cop III |
| bevor | barbote |
| bevy | cuadrilla |
| bewail | lamentar |
| beware | tener cuidado con |
| beware of | tener cuidado con |
| Bewerber | Bewerber |
| Bewick's swan | cisne silbador |
| Bewick’s Swan | Cygnus columbianus |
| bewilder | trastornar |
