| Altbau | old building |
| Altai | Altay Altai |
| faltbar | foldable |
| Alta | Alta |
| Altar | altar |
| haltbar | durable |
| Libau | Liepāja |
| Abbau | dismantling mining reduction decomposition |
| Anbau | cultivation extension annex outbuilding |
| Aufbau | assembly buildup superstructure construction |
| Ausbau | extension removal |
| Waldbau | silviculture |
| Alt- | legacy |
| Altair | Altair |
| Altarm | oxbow lake |
| Altern | aging |
| altern | age |
| Altgrad | degree |
| altklug | precocious |
| spaltbar | fissile |