| Gael.S. | bùrich | mooing, lament |
| Czech | buriti | to thunder |
| Czech | buráceti | to rumble |
| Franç. | bourrer | to growl |
| Franç. | bourru | gruff |
| Franç. | bourrire | to snore, to buzz; to whirr (of the partridge when taking off) |
| Esp.: América | bourrión, gurrión | hummingbird |
| Franç.: Lgd. | bouriolo | Snipe, 194 |
| Esp.reg. | burbujo | Great Crested Grebe, 66 |
| Franç.rég. | borrire | to cry, to scoff, jeer |
| Franç.: Charmoille | boron | toux, FEW 21: 315 |
| Franç.(a.litt.) | tabureau | moqueur, railleur, FEW 22: 73 |
| Franç.: Guyenne | gatibourro | brouhaha, FEW 23: 198 |
| Franç.: Auv. | bourrée | mode musical |
| Esp. reg. | borraco, aborra, buero | Buzzard, 211 |
| Esp. | burro | donkey |
| Port. | burrico | id. |
| Ital.: Nap. | borrico | id. |
| Ital.: Lomb. | boric | id. |
| Franç. | bourrique | id. |
| Franç.rég. | bourriquet | Gadwall, 45 |
| Esp. | borrego | lamb |
| Esp.: Mex. | borrado | White-fronted Goose, Am141a |
| Port. | águila borregueira | Buzzard, 211 |
| Franç.: Bournois | bouroutè | se dit du bruit que font les canards en barbotant |
| Franç.rég. | bourre et var. | domestic duck, 40; goose, 27; Buzzard, 211 |
| Germ.reg. | burrtaube | Wood Pigeon, 255 |
| Germ.reg. | burrhahn | Great Crested Grebe, 66 |
| Engl. | burr | a whirring sound |
| Mod.Greek | zavouri | Garganey, 43 |
| Mod.Greek | avourízo | to sound, rustle |
| Franç.: Autet | vourîe | tapage, FEW 23: 197 |
| Franç.rég. | bourri | domestic duck, 40; goose, 27 |
| Germ.reg. | wurri et var. | domestic duck, 40 |
| Franç. | bourrin | horse |
| Franç.: Gasc. | bourino | Snipe, 194 |
| Basque | burrun | a kind of whistle |
| Basque | burruntz | Black Swift, 321 |
| Pol. | burka | domestic duck, 40. For other forms in b-rkð5.6.6.2. |