| Bucephalus | Bucefalo |
| Buch am Buchrain | Buch am Buchrain |
| Buch am Erlbach | Buch am Erlbach |
| Buch am Irchel | Buch am Irchel |
| Buch am Wald | Buch am Wald |
| Buch wheat | Fagopiro |
| Buchach | Buchach |
| Buchanan | Buchanan |
| Bucharest | Bucarest |
| Bucharest Metro | Metropolitana di Bucarest |
| Buchbach | Buchbach |
| Buchberg | Buchberg |
| Buchbrunn | Buchbrunn |
| Buchdorf | Buchdorf |
| Bucheggberg | Distretto di Bucheggberg |
| Buchen | Buchen |
| Buchenbach | Buchenbach |
| Buchenberg | Buchenberg |
| Buchenwald concentration camp | Campo di concentramento di Buchenwald |
| Buchfart | Buchfart |
| Buchheim | Buchheim |
| Buchhofen | Buchhofen |
| Buchholterberg | Buchholterberg |
| Buchholz relay | Buchholz |
| Buchillon | Buchillon |
| Buchloe | Buchloe |
| Buchner funnel | Filtro Büchner |
| Bucholts | Bucholts |
| Buchrain | Buchrain |
| buck | coniglio |
| Buck converter | Convertitore buck |
| Buck Dharma | Buck Dharma |
| Buck House | Buckingham Palace |
| Buck The World | Buck the World |
| buck up | rincuorarsi |
| Buck-hare | Libro |
| Buck-rabbit | Libro |
| Buckenhof | Buckenhof |
| bucket | secchio |
| Bucket elevator | Noria |
| bucket of bolts | scarcassone |
| bucketful | secchio |
| Buckfast bee | Apis mellifera x Buckfast |
| bucking | urtare |
| Buckingham | Buckinghamshire |
| Buckingham Palace | Buckingham Palace |
| Buckingham π theorem | Teorema di Buckingham |
| Buckinghamshire | Buckinghamshire |
| buckle | fibbia |
| buckle down | mettersi sotto a |
| buckle up | allacciarsi |
| buckler | scudo |
| buckling | affibbiatura |
| Buckminster Fuller | Richard Buckminster Fuller |
| Buckow | Buckow |
| buckram | tela rigida |
| buckshee | gratuito |
| buckshot | pallettoni |
| buckskin | pelle di camoscio |
| Buckten | Buckten |
| bucktooth | dente incisivo sporgente |
| buckwheat | grano saraceno |
| Buclovany | Buclovany |
