| Arboretum | arboretum |
| Abortus | abortion |
| Carborundum | carborundum |
| Abort | toilet loo miscarriage abortion abort |
| Abortivum | abortive |
| Borkum | Borkum |
| Ziborium | ciborium |
| abortiv | abortive |
| Castoreum | castoreum |
| Aporetik | aporetic |
| Abtretung | assignment |
| Appretur | finish glaze stiffening |
| Konkretum | concrete noun |
| abtreten | wear out leave die |
| Narrentum | foolishness |
| Profitum | professionality |
| Altertum | antiquity |
| Erratum | erratum |
| Irrtum | mistake error fallacy misapprehension |
| Arbalest | arbalest |