| Singular | Plural | |
|---|---|---|
| Nominativ | firmanus, firmana, firmanentum, firmum, firmus, firma, firmaque | firmani, firma, firmaque, firmana, firmae, firmi, firmisummus, firmanentum, firmiiter |
| Genitiv | firmae, firmi, firmi, firmisummus, firmisummus, firmiiter, firmiiter, firmani, firmani | firmanorum, firmanorum |
| Dativ | firmo, firmo, firmoque, firmae, firmoque | firmis, firmissimia, firmisque, firmissinam, firmanis |
| Akkusativ | firmam, firmum, firmum | firma, firmaque, firmas, firmana, firmos, firmanentum |
| Ablativ | firma, firmaque, firmo, firmo, firmana, firmoque, firmoque, firmanentum | firmis, firmissimia, firmisque, firmissinam, firmanis |
| Vokativ | firmaque, firmana, firme, firmanentum, firmum, firma | firmani, firma, firmaque, firmana, firmae, firmi, firmisummus, firmanentum, firmiiter |
| Singular | Plural | |
|---|---|---|
| Nominativ | firmiorque, firmius, firmior, firmiororum | firmiora, firmiores |
| Genitiv | firmioris, firmioris | firmiororum, firmiorum |
| Dativ | firmiori | firmioribus |
| Akkusativ | firmiorem, firmius | firmiora, firmiores |
| Ablativ | firmiore, firmiori | firmioribus |
| Vokativ | firmior, firmiororum, firmiorque, firmius | firmiora, firmiores |
| Singular | Plural | |
|---|---|---|
| Nominativ | firmissimum, firmissimus, firmissima | firmissimi, firmissima |
| Genitiv | firmissimi, firmissimi | firmissimorum, firmissimorum |
| Dativ | firmissimo, firmissimo | firmissimis, firmissimisque |
| Akkusativ | firmissimum, firmissimum, firmissimam | firmissimos, firmissima, firmissimas |
| Ablativ | firmissima, firmissimo, firmissimo | firmissimis, firmissimisque |
| Vokativ | firmissime, firmissimum, firmissima | firmissimi, firmissima |
| Singular | Plural | |
|---|---|---|
| Nominativ | — | — |
| Genitiv | — | — |
| Dativ | — | firmiis |
| Akkusativ | — | — |
| Ablativ | — | firmiis |
| Vokativ | — | — |
| Grundform | |
|---|---|
| Positiv | firme |
| Komparativ | — |
| Superlativ | firmissime |