| auris, auris | feminine |
| ars, artis | feminine |
| iūs, iūris | neuter |
| mare, maris | neuter |
| animal, animālis | neuter |
| aqua, aquae | feminine |
| ōs, ōris | neuter |
| nūbēs, nūbis | feminine |
| cīvis, cīvis | masculine or feminine |
| mors, mortis | feminine |
| pars, partis | feminine |
| urbs, urbis | feminine |
| vīs, vīs | feminine |