| A | B |
| Religio onis (f) | religion |
| Relinquo ere reliqui lictum | leave behind |
| Reliquiae arum | remains |
| Reliquus a um | the rest |
| Remaneo ere mansi mansum | I stay behind |
| Remigo (1) | I row |
| Remigro (1) | I return |
| Remitto | I send back |
| Removeo ere movi motum | I remove |
| Remuneror (1) | I pay back |
| Remus I | oar |
| Renovo (1) | I refresh |
| Renuntio (1) | report |
| Reor reri ratus | I think |
| Repello | I drive back |
| Repente | suddenly |
| Repentinus a um | sudden |
| Reperio ire repperi repertum | I find |
| Repeto ere repetii repetitum | I seek again or recall |
| Repleo ere plevi pletum | I fill up |
| Repono ere posui positum | I put back |
| Reporto (1) | I carry back |
| Reposco | I demand back |
| Reprehendo | I blame |
| Repudio (1) | I reject |
| Repugno (1) | I fight back |
| Repulsa ae | rejection |
| Requies requietis | rest |
| Requiesco ere quievi | I rest |
| Requiro ere quisii quisitum | I look or ask for |
| Res rei (f) | thing |
| Rescribo ere scripsi scriptum | I reply |
| Reservo (1) | I keep back |
| Resido ere sedi | I sit down |
| Resisto ere stiti stitum | I resist (+dat) |
| Resolvo ere solvi solutum | I loosen |
| Resono (1) | resound |
| Respecto | (1) |
| Rerspicio ere spexi spectum | I look back |
| Respondeo | I reply |
| Respublica (f) | public affairs |
| Restituo ere stitui stitutum | I resotre |
| Resto (1) | I remain |
| Retego | I uncover |
| Revertor I versus | I return |
| Revello ere velli vulsum | I pluck out or undo |
| Reviso ere visi | I revisit |
| Revivisco ere | come to life again |
| Rex Regis | king |
| Rhetoricus a um | rhetorical |
| Rideo ere risi risum | I laugh |
| Rigidus a um | stiff |
| Ripa ae | bank |
| Rivus I | stream |
| Rixa ae | quarrel |
| Robur oris | strength or flower or oak |
| Rogo (1) | answer |
| Rogus I | funeral pyre |
| Rostra orum (n) | speakers platform |
| Rota ae | wheel |
| Rubeo (2) | I am red |
| Rumor is | rumour |
| Rumpo ere rupi ruptum | I break |
| Ruo ere rui | I rush |
| Rupes is (f) | crag |
| Rursus | again |
| Rus ruris (n) | countryside |
| Sacer sacra sacrum | sacred |
| Sacerdos otis | priest |
| Sacrificio (1) | sacrifice |
| Saeculum i | generation or age |
| Saepe | often |
| Saevus | savage |
| Sagitta ae | arrow |
| Saltem | at least |
| Saltus us | defile or pass |
| Saluber ris re | healthy |
| Salubritas atis (f) | healthiness |
| Salus utis (f) | health or greetings |
| Saluto (1) | I greet |
| Salvus a um | safe |
| Sanctus a um | holy |
| Sane | certainly |
| Sanguis inis (m) | blood |
| Sapiens tis | wise |
| Sapientia ae | wisdom |
| Sarcina ae | pack |
| Satis | enough |
| Saucius a um | wounded |
| Saxum I | rock |
| Scala ae | ladder |
| Scelus eris (n) | crime |
| Scientia ae | knowledge |
| Scindo ere scidi scissum | I cut or break |
| Scio (4) | I know |
| Scriba ae | secretary |
| Scribo ere scripsi scriptum | I write |
| Scutum I | shield |
| Secedo ere cessi cessum | I retire |
| Seco are ui sectum | I cut |
| Secundus a um | second or favourable |