| Singular | Plural | |
|---|---|---|
| Nominativ | insufficientia | insufficientiae |
| Genitiv | insufficientiae, insufficientiai | insufficientiarum, insufficientium |
| Dativ | insufficientiae, insufficientiai | insufficientiis, insufficientiabus |
| Akkusativ | insufficientiam | insufficientias |
| Ablativ | insufficientia, insufficientiad | insufficientiis, insufficientiabus |
| Vokativ | insufficientia | insufficientiae |