| Ovation | ovation |
| Novation | novation |
| Oration | collect |
| -ation | -ation |
| Dotation | endowment |
| Kation | cation |
| Nation | nation |
| Notation | musical notation |
| Ovulation | ovulation |
| Ration | ration |
| Rotation | rotation |
| Station | station ward |
| Votation | voting |
| Option | option |
| Ovarium | ovary |
| Innovation | innovation |
| Ovambo | Oshiwambo Ovambo Ambo Owambo |
| ovarial | ovarian |
| Elevation | elevation |
| Motivation | motivation |