| rheumatism | reumatismo |
| rheumatoid | reumatoide |
| rheumy | cisposo |
| Rhim Gazelle | Gazella leptoceros |
| Rhin | Reno |
| Rhind Mathematical Papyrus | Papiro di Rhind |
| Rhine | Reno |
| Rhine Falls | Cascate del Reno |
| Rhine Gorge | Gola del Reno |
| Rhine Neckar Area | Regione metropolitana del Reno-Neckar |
| Rhine Province | Provincia del Reno |
| Rhine rift | Fossa Renana |
| Rhine-barge | Aak |
| Rhinebeck | Rhinebeck |
| Rhineland | Provincia del Reno |
| Rhineland-Palatinate | Renania-Palatinato |
| rhinestone | cristallo di rocca |
| rhinitis | rinite |
| rhino | rinoceronte |
| Rhino Entertainment | Rhino Records |
| Rhino Heavy Armoured Car | Rhino |
| rhino- | rino- |
| rhinoceros | rinoceronte |
| rhinogenic | rinogeno |
| rhinology | rinologia |
| Rhinolophus | Rhinolophus |
| rhinopharyngitis | rinofaringite |
| rhinorrhea | rinorragia |
| rhinorrhoea | rinorrea |
| Rhinos | Rhinocerotidae |
| Rhinos Milano | Rhinos Milano |
| Rhipsalis | Rhipsalis |
| Rhizobia | Rhizobium |
| rhizome | rizoma |
| Rhizophora mangle | Mangrovia |
| Rhizophoraceae | Rhizophorales |
| Rhizophorales | Rhizophorales |
| Rhizostomae | Rhizostomeae |
| Rho | Rho |
| Rho Cassiopeiae | Rho Cassiopeiae |
| Rho meson | Rho |
| Rhode Island | Rhode Island |
| Rhode Island Red | Rhode Island |
| Rhodes | Rodi |
| Rhodes piano | Fender Rhodes |
| Rhodesia | Rhodesia |
| Rhodesian Ridgeback | Rhodesian Ridgeback |
| rhodic | rodico |
| rhodium | rodio |
| rhododendron | rododendro |
| Rhodope | Monti Rodopi |
| Rhodope Mountains | Monti Rodopi |
| Rhodope Prefecture | Rodopi |
| Rhodos | Rodi |
| Rhodri the Great | Rhodri Mawr ap Merfyn |
| rhomb | rombo |
| rhombic | rombico |
| Rhombic dodecahedron | Dodecaedro rombico |
| Rhombic triacontahedron | Triacontaedro rombico |
| Rhombical | Rombico a losanga |
| rhombicosidodecahedron | rombicosidodecaedro |
| Rhombicuboctahedron | Rombicubottaedro |
| rhombohedral | romboedrico |
| rhombohedron | romboedro |
| rhomboid | romboide |
