| Action | action |
| Actionfilm | action film |
| Aktion | action operation promotion campaign |
| Lacton | lactone |
| active | actively |
| -ation | -ation |
| -tion | -tion |
| Lotion | lotion |
| Auktion | auction |
| Bastion | bastion |
| Kation | cation |
| Kaution | bail deposit |
| Nation | nation |
| Option | option |
| Ration | ration |
| Albion | Albion |
| Amnion | amnion |
| Anion | anion |
| Action-Figur | action figure |
| Actinoid | actinide actinoid |