| Rotuma | Rotuma |
| rotund | corpulento |
| rotunda | rotonda |
| rotundity | rotundidad |
| rotundly | ronda |
| Roubaix | Roubaix |
| Rouben Mamoulian | Rouben Mamoulian |
| rouble | rublo |
| Rouen | Ruan |
| Rouen Cathedral | Catedral de Ruán |
| Rouen-Les-Essarts | Ruán |
| rouge | colorete |
| Rougemont | Rougemont |
| rough | desagradable |
| rough breathing | espíritu áspero |
| Rough consensus | Consenso aproximado |
| rough copy | bosquejo |
| Rough cutting | Abocetamiento |
| rough diamond | diamante en bruto |
| rough draft | concepto |
| rough lay-out | boceto |
| Rough machining | Abocetamiento |
| Rough meadow-grass | Poa |
| rough-legged buzzard | ratonero calzado |
| roughage | fibra indigestible |
| roughen | embastecerse |
| roughly | aproximadamente |
| roughly speaking | aproximadamente |
| roughness | brusquedad |
| roulette | ruleta |
| Roumania | Rumania |
| Roumanian | rumana |
| rounce | onza |
| round | rotundo |
| round bracket | paréntesis |
| Round church | Iglesia redonda |
| round down | redondear |
| Round fungus beetle | Leiodidae |
| Round here | Por aquí cerca |
| Round of ammunition | Cartucho egipcio |
| round off | redondear |
| Round ray | Urolophidae |
| Round the back of | A espaldas de |
| round the clock | constantemente |
| Round this way | Hacia ahí |
| Round ticket | Ida y vuelta |
| round up | redondear |
| Round-robin scheduling | Planificación según Round-Robin |
| Round-robin tournament | Sistema de todos-contra-todos |
| round-table conference | mesa redonda |
| round-the-clock | constantemente |
| round-trip ticket | pasaje de ida y vuelta |
| roundabout | evasivo |
| rounded | redondeado |
| roundel | roel |
| roundelay | danza en corro |
| Roundhead | Parlamentarista |
| roundhouse | depósito de locomotoras |
| rounding | redondeo |
| rounding-off | redondeo |
| roundish | regordete |
| roundly | simplemente |
| roundness | redondez |
| roundoff | redondear |
| Rouran | Rouran |
| Rous Cup | Copa Rous |
| rouse | conjurar |
| rouse to action | estimular |
| rousing | inquietante |
| Rousse | Ruse |
| Rousseau | Rousseau |
| Rousseau Gambit | Gambito Rousseau |
| Roussillon | Rosellón |
| roustabout | trabajador portuario |
| Roustam Tariko | Rustam Tariko |
| rout | derrotar |
| route | mandar |
| Route nationale | Route nationale |
| router | enrutador |
| routine | rutina |
| routineness | cotidiano |
| routing | asignación de ruta |
| roux | salsa rubia |
| Rovaniemi | Rovaniemi |
| rove | vagar por |
| rove through | pasear por |
| Rover beetle | Staphylinidae |
| Rover Metro | MG Metro |
| Rover Scout | Rover |
| Roveredo | Roveredo |
| Rovigo | Rovigo |
| Rovio | Rovio |
| Rovray | Rovray |
| row | turno |
| row house | casa urbana en hileras |
| rowan | serbal |
| Rowan Atkinson | Rowan Atkinson |
| rowan tree | serbal |
| Rowan Williams | Rowan Williams |
| rowanberry | serba |
| rowboat | bote de remos |
| rowdiness | alboroto |
| rowdy | pendenciero |
| rowdyish | desaforado |
| rowdyism | alboroto |
| rowel | rodaja |
| rower | remero |
