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