| PONDUS, -ĔRIS [2] | | |
| PONS, PONTIS [3] | | |
| POTESTAS, -ĀTIS [2] | | |
| PRAETOR, -ŌRIS [3] | | |
| PREX, PRECIS [2] | | |
| PRINCEPS, -ĬPIS [1] | | |
| PUDOR, -ŌRIS [2] | | |
| PUPPIS, -IS [4] | | |
| QUIES, -ĒTIS [3] | | |
| RADIX, -ĪCIS [4] | | |
| RATĬO, -ŌNIS [1] | | |
| RATIS, -IS [3] | | |
| REGĬO, -ŌNIS [1] | | |
| RELIGĬO, -ŌNIS [4] | | |
| REX, REGIS [1] | | |
| ROBUR, -ŎRIS [3] | | |
| RUMOR, -ŌRIS [4] | | |
| RUPES, -IS [4] | | |
| RUS, RURIS [4] | | |
| SALUS, -ŪTIS [2] | | |
| SANGUIS, -ĬNIS [1] | | |
| SAPĬENS, -ENTIS [1] | | |