| Autoinfektion | autoinfection |
| Autofiktion | autofiction |
| Autodigestion | autodigestion |
| Darminfektion | enteral infection |
| Desinfektion | disinfection |
| Infektion | infection |
| Reinfektion | reinfection |
| Konfektion | make manufacture ready-to-wear off-the-peg clothing off-the-rack clothing clothing industry |
| Autointoxikation | autointoxication |
| Automation | automation |
| Autorisation | authorisation authorization |
| Autosuggestion | autosuggestion |
| Autoxidation | autoxidation |
| infektiös | infectious |
| Transfektion | transfection |
| Injektion | injection shot |
| Intinktion | intinction |
| Satisfaktion | satisfaction |
| Extinktion | extinction absorbance |
| Autistin | autist |