| Singular | Plural | |
|---|---|---|
| Nominative | vika | vikat |
| Genitive | vikan | vikojen |
| Partitive | vikaa | vikoja |
| Accusative | vikan
vika |
vikat |
| Inessive | vikassa | vikoissa |
| Elative | vikasta | vikoista |
| Illative | vikaan | vikoihin |
| Adessive | vikalla | vikoilla |
| Ablative | vikalta | vikoilta |
| Allative | vikalle | vikoille |
| Abessive | vikatta | vikoitta |
| Essive | vikana | vikoina |
| Translative | vikaksi | vikoiksi |
| Comitative | --- | vikoine |
| Instructive | --- | vikoin |
NB. There is another vika in Finnish that conjugates differently. This vika is the spoken form of viimeinen.