Nouns
Table of contents
- Genitive Singular Endings by Declension
- 1st Declension (fem. / masc.)
- 2nd Declension (masc. / fem., nom. in -r)
- 2nd Declension (masc. / fem., nom. in -us)
- 2nd Declension (neuter)
- 3rd Declension (masc. / fem.)
- 3rd Declension (masc. / fem. i-stem)
- 3rd Declension (neuter)
- 3rd Declension (neuter i-stem)
- 4th Declension (masc. / fem.)
- domus
- 4th Declension (neuter)
- 5th Declension (masc. / fem., gen. in -eī)
- 5th Declension (masc. / fem., gen. in -ēī)
Genitive Singular Endings by Declension
| Declension | Genitive Singular Ending |
| 1st | -ae |
| 2nd | -ī |
| 3rd | -is |
| 4th | -ūs |
| 5th | -eī or -ēī |
1st Declension (fem. / masc.)
- Paradigm noun: puella, puellae, f. - girl
| Case | Singular | Plural |
| Nominative | puella | puellae |
| Genitive | puellae | puellārum |
| Dative | puellae | puellīs |
| Accusative | puellam | puellās |
| Ablative | puellā | puellīs |
2nd Declension (masc. / fem., nom. in -r)
- Paradigm noun: liber, librī, m. - book
| Case | Singular | Plural |
| Nominative | liber | librī |
| Genitive | librī | librōrum |
| Dative | librō | librīs |
| Accusative | librum | librōs |
| Ablative | librō | librīs |
2nd Declension (masc. / fem., nom. in -us)
- Paradigm noun: equus, equī, m. - horse
| Case | Singular | Plural |
| Nominative | equus | equī |
| Genitive | equī | equōrum |
| Dative | equō | equīs |
| Accusative | equum | equōs |
| Ablative | equō | equīs |
2nd Declension (neuter)
- Paradigm noun: oppidum, oppidī, n. - town
| Case | Singular | Plural |
| Nominative | oppidum | oppida |
| Genitive | oppidī | oppidōrum |
| Dative | oppidō | oppidīs |
| Accusative | oppidum | oppida |
| Ablative | oppidō | oppidīs |
3rd Declension (masc. / fem.)
- Paradigm noun: dux, ducis, m. - leader
| Case | Singular | Plural |
| Nominative | dux | ducēs |
| Genitive | ducis | ducum |
| Dative | ducī | ducibus |
| Accusative | ducem | ducēs |
| Ablative | duce | ducibus |
3rd Declension (masc. / fem. i-stem)
- Paradigm noun: ars, artis, f. - skill
| Case | Singular | Plural |
| Nominative | ars | artēs |
| Genitive | artis | artium |
| Dative | artī | artibus |
| Accusative | artem | artēs |
| Ablative | arte | artibus |
3rd Declension (neuter)
- Paradigm noun: nōmen, nōminis, n. - name
| Case | Singular | Plural |
| Nominative | nōmen | nōmina |
| Genitive | nōminis | nōminum |
| Dative | nōminī | nōminibus |
| Accusative | nōmen | nōmina |
| Ablative | nōmine | nōminibus |
3rd Declension (neuter i-stem)
- Paradigm noun: mare, maris, n. - sea
| Case | Singular | Plural |
| Nominative | mare | maria |
| Genitive | maris | marium |
| Dative | marī | maribus |
| Accusative | mare | maria |
| Ablative | marī | maribus |
4th Declension (masc. / fem.)
- Paradigm noun: lacus, lacūs, m. - lake
| Case | Singular | Plural |
| Nominative | lacus | lacūs |
| Genitive | lacūs | lacuum |
| Dative | lacuī | lacibus |
| Accusative | lacum | lacūs |
| Ablative | lacū | lacibus |
domus
- domus, domūs, f. - house, home (uses 4th and 2nd declension endings)
| Case | Singular | Plural |
| Nominative | domus | domūs |
| Genitive | domūs | domuum / domōrum |
| Dative | domuī / domō | domibus |
| Accusative | domum | domōs / domūs |
| Ablative | domō / domū | domibus |
4th Declension (neuter)
- Paradigm noun: genū, genūs, n. - knee
| Case | Singular | Plural |
| Nominative | genū | genua |
| Genitive | genūs | genuum |
| Dative | genū | genibus |
| Accusative | genū | genua |
| Ablative | genū | genibus |
5th Declension (masc. / fem., gen. in -eī)
- Paradigm noun: rēs, reī, f. - thing, matter, situation
| Case | Singular | Plural |
| Nominative | rēs | rēs |
| Genitive | reī | rērum |
| Dative | reī | rēbus |
| Accusative | rem | rēs |
| Ablative | rē | rebus |
5th Declension (masc. / fem., gen. in -ēī)
- Paradigm noun: rēs, reī, f. - thing, matter, situation
| Case | Singular | Plural |
| Nominative | diēs | diēs |
| Genitive | diēī | diērum |
| Dative | diēī | diēbus |
| Accusative | diem | diēs |
| Ablative | diē | diebus |