| business deal | affaire |
| business economics | économie des affaires |
| Business ethics | Éthique des affaires |
| business firm | entreprise |
| Business informatics | Informatique de gestion |
| Business is business | Les affaires sont les affaires |
| business life | monde des affaires |
| Business magnate | Tycoon |
| business management | économie des entreprises |
| business manager | manager |
| Business mathematics | Économétrie |
| Business model | Business model |
| business organisation | organisation de l'entreprise |
| Business organization | Essai |
| business partner | associé |
| business plan | business plan |
| business policy | politique de l'entreprise |
| Business Process Execution Language | Business Process Execution Language |
| Business Process Modeling Notation | Business Process Modeling Notation |
| Business report | Rapport annuel |
| Business rule | Règles métier |
| Business situation | Situation commerciale |
| business suit | complet |
| business trip | voyage d'affaires |
| business venture | entreprise |
| business world | monde des affaires |
| Business-to-business | Business to business |
| Business-to-consumer | Business to consumer |
| Business-to-government | Business to government |
| businesslike | pratique |
| businessman | homme d'affaires |
| businessperson | homme d'affaires |
| BusinessWeek | Business Week |
| businesswoman | commerçante |
| Busiris | Busiris |
| busk | busc |
| Buskerud | Comté de Buskerud |
| Busko-Zdrój | Busko-Zdrój |
| busman | chauffeur d'autobus |
| Buso Renkin | Busō renkin |
| Busra | Bassorah |
| Busrah | Bassorah |
| Buss Island | Île Buss |
| Bussard ramjet | Collecteur Bussard |
| Busseau-sur-Creuse | Busseau-sur-Creuse |
| Busseto | Busseto |
| Bussigny-près-Lausanne | Bussigny-près-Lausanne |
| Bussigny-sur-Oron | Bussigny-sur-Oron |
| Bussnang | Bussnang |
| Busswil bei Büren | Busswil bei Büren |
| Busswil bei Melchnau | Busswil bei Melchnau |
| Bussy-Chardonney | Bussy-Chardonney |
| Bussy-sur-Moudon | Bussy-sur-Moudon |
| bust | buste |
| bust one's ass | se casser le cul |
| bust one's butt | se casser le cul |
| bust-up | rupture |
| bustard | outarde |
| Bustards | Gruiformes |
| busted | bouzillé |
| Buster Keaton | Buster Keaton |
| bustle | tournure |
| Busto Arsizio | Busto Arsizio |
| Busturialdea | Busturialdea |
| busty | à la poitrine planteuse |
| Busulfan | Busulfan |
| buswoman | conductrice d'autobus |
| busy | affairé |
| Busy beaver | Castor affairé |
| Busy waiting | Attente active |
| busybody | touche-à-tout |
| BusyBox | BusyBox |
| busyness | activité |
| but | mais |
| But also | Or |
| but on the other hand | cependant |
| but then | néanmoins |
| but then again | cela dit |
| Butades | Boutadès |
| Butan | Bhoutan |
| butane | butane |
| butane fuel | gaz butane |
| butane gas | gaz butane |
| butanol | butanol |
| butanone | butanone |
| Butare | Butare |
| Butare Province | Butare |
| Butaritari | Butaritari |
| butch | gouine |
| Butch and femme | Butch-fem |
| Butch Buchholz | Butch Buchholz |
| Butch Cassidy | Butch Cassidy |
| Butch Cassidy and the Sundance Kid | Butch Cassidy et le Kid |
| Butch Otter | Clement Leroy Otter |
| Butch Reynolds | Harry Butch Reynolds |
| butcher | boucher |
| butcher's | boucherie |
| butcher's shop | boucherie |
| butcherbird | cassican |
| Butchered at Birth | Butchered At Birth |
| butchery | abattage |
| butene | butène |
| Butes | Boutès fils de Pandion |
| Butha-Buthe District | District de Butha-Buthe |
| Buthrotum | Buthrote |
| Butia | Butia |
| butler | majordome |
| Butler County | Comté de Butler |
| Butlerian Jihad | Jihad Butlérien |
| Butomaceae | Butomaceae |
| Butrint National Park | Parc national de Butrint |
| Butrus al-Bustani | Boutros al-Boustani |
| butt | derrière |
| butt in | s’incruster |
| butt plug | plug |
| butt-naked | cul nu |
| Butte County | Comté de Butte |
| Butte du Lion | Butte du Lion |
| Butte-aux-Cailles | Butte aux Cailles |
| butter | beurre |
| butter dish | beurrier |
| butter knife | couteau à beurre |
| butter roll | gâteau au beurre |
| Butter tea | Thé au beurre |
| butter up | flatter |
| buttercup | bouton d'or |
| butterfingered | empoté |
| butterfingers | empoté |
| Butterflies Are Free | Butterflies Are Free |
| Butterfly | Rhopalocères |
| Butterfly bush | Buddleia de David |
| Butterfly Cluster | Amas du Papillon |
| Butterfly diagram | Diagramme papillon |
| butterfly effect | effet papillon |
