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Nouns

Table of contents

  1. Genitive Singular Endings by Declension
  2. 1st Declension (fem. / masc.)
  3. 2nd Declension (masc. / fem., nom. in -r)
  4. 2nd Declension (masc. / fem., nom. in -us)
  5. 2nd Declension (neuter)
  6. 3rd Declension (masc. / fem.)
  7. 3rd Declension (masc. / fem. i-stem)
  8. 3rd Declension (neuter)
  9. 3rd Declension (neuter i-stem)
  10. 4th Declension (masc. / fem.)
  11. domus
  12. 4th Declension (neuter)
  13. 5th Declension (masc. / fem., gen. in -eī)
  14. 5th Declension (masc. / fem., gen. in -ēī)

Genitive Singular Endings by Declension

Declension Genitive Singular Ending
1st -ae
2nd
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 lac 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 dom / 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 r rērum
Dative r 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

All material developed by Daniel Libatique, Dominic Machado, and Neel Smith, and available under the Creative Commons Attribution Share-Alike license CC BY-SA 4.0