Noun Morphology


The charts below will show full charts for the declensions of each noun. Focus on the bolded nominative and genitive forms for these first few weeks of the semester; we will learn about the dative, accusative, ablative, and vocative cases in later weeks.

First Declension Feminine

puella, puellae, f. - girl

Case Singular Plural
Nominative puella puellae
Genitive puellae puellārum
Dative puellae puellīs
Accusative puellam puellās
Ablative puellā puellīs

Second Declension Masculine

maritus, maritī, m. - husband

Case Singular Plural
Nominative maritus maritī
Genitive maritī maritōrum
Dative maritō maritīs
Accusative maritum maritōs
Ablative maritō maritīs

Second Declension Neuter

exemplum, exemplī, n. - example

Case Singular Plural
Nominative exemplum exempla
Genitive exemplī exemplōrum
Dative exemplō exemplīs
Accusative exemplum exempla
Ablative exemplō exemplīs

Third Declension Masculine/Feminine

Masculine and feminine nouns are declined the same way in the third declension.

mater, matris, f. - mother

Case Singular Plural
Nominative mater matrēs
Genitive matris matrum*
Dative matrī matribus
Accusative matrem matrēs
Ablative matre matribus

* 3rd declension genitive plurals may end in -ium rather than just -um at times; we will learn the rule for this later.

Third Declension Neuter

opus, operis n. - work

Case Singular Plural
Nominative opus opera*
Genitive operis operum*
Dative operī operibus
Accusative opus opera*
Ablative opere** operibus

* 3rd declension neuter nominative and accusative plurals and genitive plurals may have an extra -i- at times (-ia for nominative/accusative plural and -ium for genitive plural). We will learn the rule for this later.
** 3rd declension ablative singulars may end in instead of -e at times. We will learn the rule for this later.

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is, ea, id - he, she, it

The forms in the dictionary entry represent the nominative singular in all three genders (masculine, feminine, and neuter respectively).

Note the different form of the pronoun chart compared to nouns. How do the column headings differ?


Case Masculine Feminine Neuter
Nominative is ea id
Genitive eius eius eius
Accusative eum eum id


Case Masculine Feminine Neuter
Nominative eae ea
Genitive eōrum eārum eōrum
Dative eīs eīs eīs
Accusative eōs eās ea
Ablative eīs eīs eīs