How to Decline 1st Declension Nouns

First declension nouns typically end in -a in the nominative singular.

They are mostly feminine but include a few masculine nouns.

Example (puella, puellae f. - girl)

Singular Endings

Nominative: -a

Genitive: -ae

Dative: -ae

Accusative: -am

Ablative: -ā

Singular

Nominative: puella (the girl)

Genitive: puellae (of the girl)

Dative: puellae (to/for the girl)

Accusative: puellam (the girl, direct object)

Ablative: puellā (by/with/from the girl)

Plural Endings

Nominative: -ae

Genitive: -ārum

Dative: -īs

Accusative: -ās

Plural Endings

Nominative: puellae (the girls)

Genitive: puellārum (of the girls)

Dative: puellīs (to/for the girls)

Accusative: puellās (the girls, direct object)

Ablative: puellīs (by/with/from the girls)

Lesson 6: Declining 1st Declension Nouns