| Singular | Plural | |
|---|---|---|
| Nominativ | scrupus, scrupus | scrupi, scrupi |
| Genitiv | scrupi, scrupi | scruporum, scruporum, scrupum, scrupum |
| Dativ | scrupo, scrupo | scrupis, scrupis |
| Akkusativ | scrupom, scrupum, scrupum, scrupom | scrupos, scrupos |
| Ablativ | scrupo, scrupo | scrupis, scrupis |
| Vokativ | scrupe, scrupe | scrupi, scrupi |