| Birngrün | sidebells wintergreen |
| Birnbaum | pear tree |
| blaugrün | blue-green teal |
| lindgrün | lime-green linden green |
| zartgrün | soft green |
| Birmanin | Burmese |
| Birnholz | pear |
| Birkhahn | blackcock |
| Birkhuhn | black grouse |
| Birne | pear nut bulb globe |
| birken | birchen |
| Hirndruck | intracranial pressure |
| Hirnhaut | meninx |
| Ingrid | Ingrid |
| Gangrän | gangrene |
| Kongruenz | agreement, concord congruity |
| kongruent | congruent |
| rotgrün | reddish-green |
| Blattgrün | chlorophyll chlorophyl |
| Burgruine | castle ruin |