| rubbing | frotamiento |
| Rube Goldbergmachine | Máquina de Rube Goldberg |
| Ruben | Rubén |
| Ruben Felgaer | Rubén Felgaer |
| Rubens Barrichello | Rubens Barrichello |
| Rubeus Hagrid | Rubeus Hagrid |
| Rubicon | Río Rubicón |
| rubidium | rubidio |
| Rubigen | Rubigen |
| Rubiks kubus | cubo de Rubik |
| Rubin Kazan | FC Rubin Kazan |
| Rubisco | RuBisCO |
| Rubiá | Rubiana |
| rubriek | columna |
| rubriekadvertentie | anuncio clasificado |
| rubriekschrijfster | columnista |
| rubriekschrijver | columnista |
| Ruby | Ruby |
| Rubén Darío | Rubén Darío |
| Rubén Lobato | Rubén Lobato |
| Rubén Martínez | Rubén Iván Martínez |
| Rubén Plaza | Rubén Plaza |
| Rubén Pérez | Rubén Pérez |
| Rubí | Rubí |
| Ruchnama | Ruhnama |
| ruchtbaar maken | revelar |
| rucola | oruga |
| Rudbeckia | Rudbeckia |
| Rudi Völler | Rudi Völler |
| rudiment | rudimento |
| rudimentair | elemental |
| Rudolf | Rodolfo |
| Rudolf Bultmann | Rudolf Karl Bultmann |
| Rudolf Carnap | Rudolf Carnap |
| Rudolf Christoph Eucken | Rudolf Christoph Eucken |
| Rudolf Clausius | Rudolf Clausius |
| Rudolf Diesel | Rudolf Diesel |
| Rudolf Erich Raspe | Rudolf Erich Raspe |
| Rudolf Glauber | Johann Rudolph Glauber |
| Rudolf Hess | Rudolf Hess |
| Rudolf Höss | Rudolf Höß |
| Rudolf I van Baden-Baden | Rodolfo I de Habsburgo |
| Rudolf I van Beieren | Rodolfo I de Habsburgo |
| Rudolf I van Bohemen | Rodolfo I de Habsburgo |
| Rudolf I van Bourgondië | Rodolfo I de Habsburgo |
| Rudolf I van Frankrijk | Raúl I de Francia |
| Rudolf I van het Heilige Roomse Rijk | Rodolfo I de Habsburgo |
| Rudolf I van Saksen | Rodolfo I de Habsburgo |
| Rudolf II van Bourgondië | Rodolfo II |
| Rudolf II van de Palts | Rodolfo II |
| Rudolf II van het Heilige Roomse Rijk | Rodolfo II |
| Rudolf II van Oostenrijk | Rodolfo II |
| Rudolf II van Saksen | Rodolfo II |
| Rudolf III van Bourgondië | Rodolfo III de Borgoña |
| Rudolf III van Saksen | Rodolfo III de Borgoña |
| Rudolf IV | Rodolfo |
| Rudolf Kittel | Rudolf Kittel |
| Rudolf Noerejev | Rudolf Nureyev |
| Rudolf Spielmann | Rudolf Spielmann |
| Rudolf Steiner | Rudolf Steiner |
| Rudolf van Lotharingen | Rodolfo |
| Rudolf van Oostenrijk | Rodolfo de Habsburgo |
| Rudolf van Rheinfelden | Rodolfo de Rheinfeld |
| Rudolf Virchow | Rudolf Virchow |
| Rudolf von Sebottendorf | Barón von Sebottendorff |
| Rudolf-August Oetker | Rudolf August Oetker |
| Rudolph Valentino | Rodolfo Valentino |
| Rudolphe Kreutzer | Rodolphe Kreutzer |
| Rudolstadt | Rudolstadt |
| Rudy Giuliani | Rudolph Giuliani |
| Rudyard Kipling | Rudyard Kipling |
| Rue | Rue |
| Rue de Rivoli | Calle de Rivoli |
| Rueun | Rueun |
| Rueyres | Rueyres |
| Ruff Ryders Entertainment | Ruff Ryders |
| Rufiyaa | Rupia de Maldivas |
| Rufus Schobbejak | Rufus Scrimgeour |
| Rufus Sewell | Rufus Sewell |
| rug | lomo |
| rug- | dorsal |
| rugby | fútbol americano |
| Rugby League | Rugby League |
| Rugby School | Rugby School |
| Rugby Union | Rugby Union |
| ruggegraat | espina dorsal |
| ruggegraats- | espinal |
| ruggelings | atrás |
| Ruggell | Ruggell |
| ruggemerg | médula espinal |
| ruggengraat | espina dorsal |
| ruggengraatswervel | vértebra |
| ruggenmerg | médula espinal |
| ruggensteunen | santificar |
| ruggesteun | apoyo |
| ruggewervel | vértebra |
| Ruggiero Leoncavallo | Ruggero Leoncavallo |
| Rugiërs | Rugios |
| rugloos | sin espalda |
| rugpijn | dolor de espalda |
| rugschild | caparazón |
| rugslag | dorso |
| rugsteun | apoyo |
| Rugstreeppad | Bufo calamita |
| rugtas | mochila |
| rugvin | aleta dorsal |
| rugwaarts | atrás |
| rugwervel | vértebra |
| rugwind | viento de cola |
| rugzak | mochila |
| rugzakreiziger | mochilero |
| Ruhengeri | Ruhengeri |
| Ruhollah Khomeini | Ruhollah Jomeini |
| Ruhr | Río Ruhr |
| Ruhrgebied | Región del Ruhr |
| ruien | mudar |
| ruif | arca |
| ruig | áspero |
| ruigpootbuizerd | ratonero calzado |
| Ruigpoothoenders | Tetraonidae |
| ruigpootuil | mochuelo boreal |
| ruiken | aguantar |
