|-
! 여격
| {{Lang-os |la|fīliī}} -oi || {{Lang-ō |la|fīliōrum}} || {{Lang|la|auxiliī}} || {{Lang|la|auxiliōrum}} -īs
|-
! 속격
| rowspan="2" | {{Lang|la|fīliō}} || rowspan="2" | {{Lang|la|fīliīs}} || rowspan="2" | {{Lang|la|auxiliō}} || rowspan="2" | {{Lang|la|auxiliīs}} -ōrum
|-
! 탈격
|}