| blog | bitácora |
| blogger | bloguero |
| Blois | Blois |
| bloke | tipo |
| Blonay | Blonay |
| blond | rubio |
| blonde | rubio |
| Blondi | Blondi |
| blood | sangre |
| Blood alcohol content | Control de alcoholemia |
| Blood and Gold | Blood and Gold |
| Blood atonement | Expiación con sangre |
| blood bank | banco de sangre |
| blood brother | amigo carnal |
| Blood Canticle | Cántico de sangre |
| blood cell | glóbulo |
| blood count | recuento globular |
| blood feud | enemistad |
| blood group | grupo sanguíneo |
| Blood in Blood Out | Blood in blood out |
| Blood in the Water match | Incidente del baño sangriento de Melbourne |
| blood is thicker than water | la sangre tira mucho |
| blood libel | libelo de sangre |
| Blood libel against Jews | Libelo de sangre contra los judíos |
| Blood line | Género |
| blood money | dinero ensuciado de sangre |
| Blood Music | Música en la sangre |
| blood orange | naranja sanguina |
| Blood Pheasant | Ithaginis cruentus |
| Blood picture | Hemograma |
| blood plasma | plasma sanguíneo |
| blood platelet | plaqueta |
| blood poisoning | septicemia |
| blood pressure | presión sanguínea |
| Blood purity | Pureza de sangre |
| blood relation | pariente consanguíneo |
| blood relationship | consanguinidad |
| blood sausage | morcilla |
| Blood serum | Hera |
| blood test | análisis de sangre |
| blood transfusion | transfusión de sangre |
| blood type | grupo sanguíneo |
| blood vessel | vaso sanguíneo |
| Blood Wedding | Bodas de sangre |
| blood-and-thunder | sensacional |
| blood-curdling | horripilante |
| blood-red | sanguíneo |
| bloodbath | baño de sangre |
| bloodcurdling | horripilante |
| bloodhound | sabueso |
| Bloodhound Gang | Bloodhound Gang |
| bloodily | sangrientamente |
| bloodless | incruento |
| bloodletting | sangría |
| bloodlust | sed de sangre |
| bloodroot | sanguinaria |
| bloodshed | masacre |
| bloodshot | inyectado de sangre |
| bloodstain | mancha de sangre |
| bloodstained | manchado de sangre |
| bloodstock | caballos de pura sangre |
| bloodstone | heliotropo |
| bloodstream | corriente sanguínea |
| bloodsucker | sanguijuela |
| bloodthirsty | sanguinario |
| bloody | sanguinario |
| bloody hell | joder |
| Bloody Mary | Bloody Mary |
| bloody nose | nariz sanguinolenta |
| Bloody stupid | Luna |
| Bloody Sunday | Domingo Sangriento |
| bloom | florecer |
| Bloomberg | Bloomberg |
| Bloomberg Television | Bloomberg TV |
| bloomer | bragas |
| bloomers | bombachos |
| blooming | brote |
| Bloomsbury Group | Círculo de Bloomsbury |
| Bloomsbury Publishing | Bloomsbury Publishing |
| blooper | pifia |
