-o → -i, -a → -e
-o → -i and -a → -e.
| Singular ending | Plural | Example |
|---|---|---|
| -o (m) | -i | libro → libri |
| -a (f) | -e | casa → case |
| -e (m/f) | -i | cane → cani |
| accented vowel | no change | città → città |
Both masculine and feminine -e nouns.
Accented final vowels and loanwords are invariable.