| Birke | birch |
| birken | birchen |
| Birne | pear nut bulb globe |
| Birte | Bridget |
| Kirke | Circe |
| Barke | rowing boat skiff |
| Borke | bark |
| Burke | burka |
| Bireme | bireme |
| Birdie | birdie |
| Birkenbaum | birch tree |
| Birkenhain | birch grove |
| Birkenholz | birch wood |
| Birkenlaub | birch leaves |
| Birkenmaus | birch mouse |
| Birkenpech | birch pitch birch tar |
| Birkenpilz | birch bolete rough-stemmed bolete scaber stalk |
| Birkenrute | birch rod |
| Birkensaft | birch sap |
| Birkenteer | birch pitch birch tar |