| Singular | Plural | |
|---|---|---|
| Nominativ | fastus, fasta, fastum | fasta, fasti, fastae |
| Genitiv | fasti, fasti, fastae | fastorum, fastorum, fastarum |
| Dativ | fasto, fasto, fastae | fastis |
| Akkusativ | fastum, fastum, fastam | fastas, fastosque, fasta, fastos |
| Ablativ | fasta, fasto, fasto | fastis |
| Vokativ | faste, fasta, fastum | fasta, fasti, fastae |
| Singular | Plural | |
|---|---|---|
| Nominativ | — | — |
| Genitiv | — | — |
| Dativ | — | — |
| Akkusativ | — | — |
| Ablativ | — | — |
| Vokativ | — | — |
| Singular | Plural | |
|---|---|---|
| Nominativ | — | — |
| Genitiv | — | — |
| Dativ | — | — |
| Akkusativ | — | — |
| Ablativ | — | — |
| Vokativ | — | — |
| Singular | Plural | |
|---|---|---|
| Nominativ | fastus, fastus | fastus, fastuus, fasti |
| Genitiv | fastus, fasti | fastuum, fastum, fastum, fastorum |
| Dativ | fastu, fasto, fastui, fastuque | fastubus, fastibus, fastis |
| Akkusativ | fastum, fastum, fastom | fastus, fastuus, fastos, fastosque |
| Ablativ | fastu, fasto, fastuque | fastis, fastubus, fastibus |
| Vokativ | faste, fastus | fastus, fastuus, fasti |
| Grundform | |
|---|---|
| Positiv | faste |
| Komparativ | — |
| Superlativ | — |