| rooster | rubinetto |
| roosting | dormiente |
| roosts | dorme |
| root | origine |
| root cause | causa scatenante |
| root crop | pianta a radici commestibili |
| root for | tifare |
| Root nameserver | Root nameserver |
| Root nodule | Rhizobium |
| root out | eliminare |
| Root to the spot | Cravatta |
| root vegetable | pianta a radici commestibili |
| Root-finding algorithm | Calcolo dello zero di una funzione |
| rootage | radicamento |
| rooted | radicato |
| rooter | sradicatore |
| Rootes | Rootes |
| rooting | radicazione |
| Rootkit | Rootkit |
| rootless | senza radici |
| roots | radici |
| Roots reggae | Roots reggae |
| rope | fune |
| rope ladder | scala di corda |
| Rope splicing | Splicing |
| roper | lanciatore di lazo |
| ropery | corderia |
| ropes | corde |
| ropeway | teleferica |
| ropey | scadente |
| Rophemel | Rophemel |
| ropiness | viscosità |
| Roppen | Roppen |
| Roppongi Hills | Roppongi Hills |
| Ropraz | Ropraz |
| ropy | fibroso |
| Roque de los Muchachos Observatory | Osservatorio del Roque de Los Muchachos |
| Roque Júnior | Roque Júnior |
| Roque Santa Cruz | Roque Santa Cruz |
| Roquebrune-Cap-Martin | Roquebrune-Cap-Martin |
| Roquefort | Roquefort |
| Roquemaure | Roquemaure |
| Roraima | Roraima |
| Roran Garrowsson | Roran |
| Rorbas | Rorbas |
| RORO | Roulier |
| Roronoa Zoro | Roronoa Zoro |
| rorqual | balenottera |
| Rorschach | Rorschach |
| Rorschach inkblot test | Test di Rorschach |
| Rorschacherberg | Rorschacherberg |
| Rory Gallagher | Rory Gallagher |
| Rorà | Rorà |
| Rosa | Rosa |
| Rosa Luxemburg | Rosa Luxemburg |
| Rosa Parks | Rosa Parks |
| Rosa Russo Iervolino | Rosa Russo Iervolino |
| Rosa von Praunheim | Rosa von Praunheim |
| rosacea | rosacea |
| Rosaceae | Rosaceae |
| Rosalba Carriera | Rosalba Carriera |
| Rosales | Rosales |
| Rosalie | Rosalia |
| Rosalind | Rosalinda |
| Rosalind Franklin | Rosalind Franklin |
| Rosalio José Castillo Lara | Rosalio José Castillo Lara |
| Rosalía Arteaga | Rosalía Arteaga Serrano |
| Rosamund Pike | Rosamund Pike |
| Rosamunde Pilcher | Rosamunde Pilcher |
| Rosario | Rosario |
| Rosario Central | Club Atlético Rosario Central |
| Rosario Dawson | Rosario Dawson |
| Rosario Department | Rosario |
| Rosario Fiorello | Fiorello |
| Rosario Flores | Rosario Flores |
| rosary | rosario |
| ROSAT | ROSAT |
| Rosbach vor der Höhe | Rosbach vor der Höhe |
| Roscellinus | Roscellino |
| Roscoe Arbuckle | Roscoe Fatty Arbuckle |
| Roscommon | Roscommon Town |
| Rosdorf | Rosdorf |
| rose | rosa |
| Rose Byrne | Rose Byrne |
| Rose Fitzgerald Kennedy | Rose Kennedy |
| Rose Garden arena | Rose Garden Arena |
| rose hip | grattaculo |
| Rose in the Fist | Rosa nel Pugno |
| Rose McGowan | Rose McGowan |
| Rose of Lima | Santa Rosa da Lima |
| Rose of Viterbo | Santa Rosa da Viterbo |
| Rose Philippine Duchesne | Santa Filippina Duchesne |
| Rose tree | Rosaio |
| Rose Venerini | Rosa Venerini |
| rose water | acqua di rose |
| rose window | rosone |
| rose-bud | bocciolo di rosa |
| rose-bush | cespuglio |
| rose-colored | rosa |
