_slave_. _age_. _horse_.
SINGULAR.
_Nom._ servos aevom equos
_Gen._ servī aevī equī
_Dat._ servō aevō equō
_Acc._ servom aevom equom
_Voc._ serve aevom eque
_Abl._ servō aevō equō

_Later inflection (after Cicero)._
SINGULAR.
_Nom._ servus aevum equus
_Gen._ servī aevī equī
_Dat._ servō aevō equō
_Act._ servum aevum equum
_Voc._ serve aevum eque
_Abl._ servō aevō equō

1. The Plural of these nouns is regular, and always uniform.

Peculiarities of Inflection in the Second Declension.

25. 1. Proper names in -ius regularly form the Genitive Singular in -Ä«
(instead of -iī), and the Vocative Singular in -ī (for -ie); as Vergílī,
_of Virgil_, or _O Virgil_ (instead of Vergiliī, Vergilie). In such words
the accent stands upon the penult, even though that be short. Nouns in
-ajus, -ejus form the Gen. in -aī, -eī, as Pompejus, Pompeī.

2. Nouns in -ius and -ium, until after the beginning of the reign of
Augustus (31 B.C.), regularly formed the Genitive Singular in -i (instead