| Nominativ | certus, certaque, certamem, certum, decertum, certumque, certa, certanem | certiter, melicertae, certa, certanem, certique, certi, certae, certiusque, certirorem, certaque, certimam, cerci, certamem |
| Genitiv | certique, certi, certique, certi, certae, certiusque, certirorem, certiusque, certimam, certirorem, certimam, cerci, cerci, certiter, melicertae, certiter | certorum, certorum, certarum |
| Dativ | certoque, certoque, certae, certo, certo, certoirem, certoirem, melicertae | certis, certisque |
| Akkusativ | certumque, certam, certum, certum, decertum, decertum, certamque, certumque | certa, certanem, certos, certosque, certaque, certas, certasque, certamem |
| Ablativ | certoirem, certanem, certoque, certoque, certaque, certamem, certo, certo, certoirem, certa | certis, certisque |
| Vokativ | certerorum, certanem, certeros, tuocerte, certaque, certamem, certum, decertum, certe, certumque, certa, certeque | certiter, melicertae, certa, certanem, certique, certi, certae, certiusque, certirorem, certaque, certimam, cerci, certamem |
