| English | Spanish |
| baby | bebé |
| back | espalda |
| background | Fondo, al fondo; experiencia |
| backyard | Patio trasero |
| bacteria | bacteria |
| bad | Malo; defectuoso |
| badly | Gravemente, mal |
| bag | Bolsa, maleta |
| bake | Hornear, cocer en el horno |
| balance | equilibrio |
| balanced | equilibrado |
| ball | Pelota, balón |
| balloon | globo |
| ballot | votación |
| ban | prohibir |
| banana | banana |
| band | banda |
| bank | banco |
| banker | banquero |
| banking | Bancario, banca |
| bar | bar |
| bare | desnudo |
| barely | apenas |
| barrel | barril |
| barrier | barrera |
| base | base |
| baseball | béisbol |
| basement | sótano |
| basic | básico |
| basically | básicamente |
| basis | base |
| basket | cesta |
| basketball | baloncesto |
| bat | murciélago |
| bath | Baño, tina |
| bathroom | Baño, cuarto de baño |
| battery | batería |
| battle | batalla |
| bay | bahía |
| be | ser, estar |
| beach | playa |
| beam | Barra, viga |
| bean | frijol |
| bear | Oso; soportar |
| beard | barba |
| beast | bestia |
| beat | Golpear, latir |
| beautiful | hermoso |
| beauty | belleza |
| because | Porque, ya que |
| become | Llegar a ser, convertirse |
| bed | cama |
| bedroom | dormitorio |
| bee | abeja |
| beef | Carne de vacuno |
| beer | cerveza |
| before | antes |
| beg | Rogar, suplicar |
| begin | Comenzar, empezar |
| beginning | Empezar, comenzar |
| behalf | En nombre de, en representación de |
| behave | comportarse |
| behavior | Conducta, comportamiento |
| behavioral | Conductual, de comportamiento |
| behind | Detrás de |
| being | siendo |
| belief | creer |
| believe | Creer |
| bell | campana |
| belly | vientre |
| belong | pertenecer |
| below | Debajo de |
| belt | cinturón |
| bench | banco |
| beneath | debajo |
| benefit | beneficio |
| beside | Al lado de |
| besides | además |
| best | mejor |
| bet | apostar |
| better | Mejor que |
| between | Entre |
| beyond | Más allá |
| bias | Preferencia, inclinación |
| Bible | biblia |
| bicycle | bicicleta |
| bid | Oferta, pujar |
| big | Grande |
| bill | Billete, cuenta |
| billion | Billón(mil millones) |
| bind | Obligar, amarrar |
| biography | biografía |
| biological | biológico |
| biology | biología |
| bird | pájaro |
| birth | nacimiento |
| birthday | cumpleaños |
| bishop | obispo |
| bit | Poco, pizca, broca |
| bite | morder |
| bitter | amargo |
| black | negro |
| blade | hoja |
| blame | Culpar a |
| blank | En blanco, blanco |
| blanket | frazada |
| blast | explosión |
| blend | Mezcla, combinación |
| bless | Bendecir |
| blessing | bendición |
| blind | Ciego, cegar |
| blink | parpadear |
| block | Bloque, pedazo, manzana |
| blond | rubio |
| blood | sangre |
| blow | soplar |
| blue | azul |
| board | tabla |
| boast | Jactarse, presumir |
| boat | bote |
| body | Cuerpo |
| boil | Hervir |
| bold | Negrita, acentuado |
| bolt | Cerrojo, pestillo, perno |
| bomb | bomba |
| bombing | bombardeo |
| bond | Lazo, vínculo |
| bone | hueso |
| bonus | bonificación |
| book | Libro |
| boom | Auge, estampido, explosión |
| boost | Impulso, estimular |
| boot | bota |
| booth | pabellón |
| border | Borde, frontera |
| boring | aburrido |
| born | nacer |
| borrow | Pedir prestado, endeudarse |
| boss | jefe |
| both | Ambos |
| bottle | Botella, biberón |
| bottom | Fondo, de abajo |
| bounce | rebotar |
| boundary | frontera |
| bow | Inclinarse, reverencia, arco |
| bowl | bol |
| box | caja |
| boy | chico |
| boyfriend | pololo |
| brain | cerebro |
| brake | Freno, frenar |
| branch | Rama, sucursal |
| brand | marca |
| brave | valiente |
| bread | pan |
| break | Romper, quebrar |
| breakfast | desayuno |
| breast | pecho |
| breath | Respiración, aliento |
| breathe | Respirar, aspirar |
| breathing | Respiración. aliento |
| breeze | brisa |
| brick | ladrillo |
| bride | novia |
| bridge | puente |
| briefly | Brevemente, en pocas palabras, resumen |
| bright | Brillante |
| brilliant | brillante |
| bring | Traer |
| British | Británico |
| broad | Amplio |
| broadcast | Programa, emisión |
| broken | Roto, averiado |
| broker | Corredor de bolsa |
| bronze | bronce |
| brother | Hermano |
| brown | café |
| brush | Brocha, cepillo |
| brutal | brutal |
| buck | Conejo macho, dólar |
| bucket | balde |
| budget | presupuesto |
| bug | Bicho, intervenir teléfonos |
| build | Construir |
| builder | constructor |
| building | Construcción, edificio |
| bulb | Bombilla, bulbo(planta) |
| bulk | Mayor, a granel, bulto |
| bull | toro |
| bullet | bala |
| bunch | Racimo, manojo |
| burden | Carga(peso), |
| bureau | Oficina, agencia |
| burn | Quemar |
| burning | En llamas |
| burst | explotar |
| bury | enterrar |
| bus | bus |
| bush | arbusto |
| business | Negocio, empresa, comercio |
| businessman | empresario |
| busy | ocupado |
| but | pero |
| butt | culo |
| butter | mantequilla |
| butterfly | mariposa |
| button | botón |
| buy | comprar |
| buyer | comprador |
| by | por |
English to Spanish : words beginning with B
spanish flag