| Gael.S. | briot, briotal | voice of birds, warbling, chattering |
| Engl.: Ork. | skitter-brottie | Corn Bunting, 445 |
| Gael.I. | briathar | word |
| Engl. | brat | annoying child (no relation to brat "rag" or "apron" or Ire. brat "cloak"); cf. gosseð5.9.2.; gaminð5.8.7. |
| Bulg. | brâtvja | to chatter, Czech breptavý bredouilleur |
| Alb. | britnë | cry |
| Alb. | bretëk | frog |
| Roman. | brotac, brâtac, broatec | tree frog |
| Anc.Greek | brótakos | frog (other var.: bátrachos,brátachos,brýtichos,blétakos,broûchetos) |
| Franç.: Puisserguier | broutoucouná | soupirer, FEW 22: 58 |
| Franç.: SR | brétchi | jaser, babiller |
| Franç.: FR | bratsè | talkative |
| Franç.rég. | brechillotte | Great Tit, 390 |
| Franç.rég. | brechotte | Whitethroat, 362 |
| Franç.rég. | bortyole | id. |
| Franç.rég. | bretyoule | Great Tit, 390 |
| Franç.: SR | brétyoli | bredouiller |
| Franç.: rég. | oiseau du breutiou | Skylark, 297 |
| Franç.rég. | brette | Avocet, 157 |
| Franç. | bretter, bretonner | to discourse (no kin to Breton) |
| Franç. rég. | alouette bretonne | Tree Pipit, 307 |
| Franç.: Jersey | petit breton | Dartford Warbler, 366 (i.e. little chatterer, not little Breton, cf. bretonner, above) |
| Port. | britar | to break |
| Engl. | brittle | easily broken |
| AS | breotan | to brake |
| Franç.(a.litt.) | bretèche | breach |
| Engl. | brattice | partition (a kind of breachð5.6.6.2.; certainly not from British) |
| Alb. | bërtitur, britur (për të) | pleurer |
| Alb. | bërtas | je crie |
| Ital.:V.Verzasca | bèrtol | howling |
| Franç.: H.Marne | bertrand | Buzzard, 211 |
| Ital. | sbertare | to scoff, jeer |
| Engl. | barter | trade by exchange (cf. barattareð5.6.9.) |
| Gael.S. | abartach | loquacious |
| Franç.rég. | bertazine | Greenfinch, 416 |
| Ital.: Ronco | bertácoula | rattle, FEW 23 : 200 |
| Franç.: Lgd. | bartavé | rattle |
| Prov. | bertavéou | mill clapper; lock |
| Franç.rég. | bartavelle et var. | rattle and some other squeaking objects; Red-legged Partridge, 16 |
| Franç.rég. | bartavella | Kestrel, 234 |
| Ital.: Piem. | bartavella | talkative woman |
| Ital.: Ven. | bertoela | door hinge |
| Ital.: Parm. | bartavlèr | to chatter |
| Ital.: Piem. | bartavlè | id. |
| Ital.: Piem. | bertagouin | Garden Warbler, 357 |
| Ital.: Romg. | bartinon | Orphean Warbler, 360 |
| Port. | bartolomeu | Oriole, 296 |