Third declension nouns: -as (fem.)

case sing. plural
nom. libertas libertates
acc. libertatem libertates
gen. libertatis libertatum
dat. libertati libertatibus
abl. libertate libertatibus

Note that nouns with final -as (e.g. fidelitas, libertas, communitas), as well as nouns with final -io (e.g. donatio, concessio), are usually feminine.

Now use your browser's back button to return to the charter.