| A | B |
| frater, fratris | brother |
| pater, patris | father |
| mater, matris | mother |
| centurio, centurionis | centurion |
| civitas, civitatis | state |
| soror, sororis | sister |
| veritas, veritatis | truth |
| Caesar, Caesaris | Caesar |
| dolor, doloris | pain |
| imperator, imperatoris | general, commander |
| caput, capitis | head |
| hostis, hostis | enemy |
| ordo, ordinis | order, rank |
| tempus, temporis | time |
| virtus, virtutis | virtue, courage |
| miles, militis | military |
| flumen, fluminis | river |
| legio, legionis | legion |
| canis, canis | dog |
| nomen, nominis | name |
| lux, lucis | light |
| rex, regis | king |
| lex, legis | law |
| urbs, urbis | city |
| vox, vocis | voice |
| homo, hominis | man |
| pax, pacis | peace |
| ignis, ignis | fire |
| collis, collis | hill |
| navis, navis | ship |
| nox, noctis | night |
| crux, crucis | cross |
| pons, pontis | bridge |
| gens, gentis | tribe |
| pars, partis | part |
| mons, montis | mountain |
| mors, mortis | death |
| corpus, corporis | body |
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