| Root mean square | Root Mean Square | Root Nameserver |
| Root of Things | Root Perspectives | Root Raised Cosine Filter |
| Root River | Root River (Lake Michigan, Wisconsin) | Root River (Mackenzie River) |
| Root River (Minnesota) | Root River (Mississippi River) | Root River (Wisconsin) |
| Root Server | Root-Account | Root-Cause-Analyse |
| Root-Domain | Root-Effekt | Root-Gletscher |
| Root-Kennung | Root-Konto | Root-Label |
| Root-Nameserver | Root-Partition | Root-Raised-Cosine-Filter |
| Root-Server | Root-Verzeichnis | Root-Zugriff |
| Root.cern | Root4 | Rootare |
| Rootbeer | Rootdown | Rootdown Records |
| Rooten | Rooter | Rooterberg |
| Rootering | Rootes | Rootes Arrow |
| Rootes Australia | Rootes Group | Rootes Motors Ireland |
| Rootes Point | Rootes-Gruppe | Rooth |
| Roothaan | Roothaan-Gleichungen | Roothaan-Hall-Gleichungen |
| Roothaert | Rootham | Roothooft |
| Rooting | Rootkit | Rootok Island |
| Roots | Roots & Venables | Roots (Fernsehserie) |
| Roots (Fernsehserie, 2016) | Roots (Hamburg) | Roots (Sepultura-Album) |
| Roots (Slide-Hampton-Album) | Roots - Das Geschenk der Freiheit | Roots - Die nächsten Generationen |
| ROOTS - Social, Environmental, and Cultural Connectivity in Past Societie | ROOTS - Social, Environmental, and Cultural Connectivity in Past Societies | Roots – Das Geschenk der Freiheit |
| Roots – Die nächsten Generationen | ROOTS – Social, Environmental, and Cultural Connectivity in Past Societie | ROOTS – Social, Environmental, and Cultural Connectivity in Past Societies |
| Roots for Reconciliation | Roots Germania | Roots Hall |
| Roots Heights | Roots Homecoming Festival | Roots Manuva |
| Roots Oil Motor and Motor Car | Roots Radics | Roots Reggae |
| Roots Rock | Roots Rockers | Roots to Branches |
| Roots-Gebläse | Roots-Kompressor | Roots-Lader |
| Roots-Musik | Roots-Pumpe | Roots-Reggae |
| Roots-Rock | Roots-Verdichter | Roots: The Gift |
| Roots: The Next Generations | Rootsee | Rootselaar |
| Rootserver | Rootsgebläse | Rootshorga |
| Rootsi | Rootsi (Hiiumaa) | Rootsi Rahvaliit |
| Rootsiküla | Rootsiküla (Saaremaa) | Rootsivere |
| Rootsiwere | Rootslader | Rootsman |
| Rootsmusic | Rootsmusik | Rootspumpe |
| Rootsrock | Rootverzeichnis | Rooty Toot Toot |
| Roover | Roovers | Roox |
| Rooy | Rooyen | Rooyesteyn |
| Rooz | Rooz Lee | Roozbeh Cheshmi |
| Roozbeh Farhangmehr | Rooze | Roozeboom |
| Roozpeikar | ROP | Rop |
| Rop (Protein) | Rop Gonggrijp | Ropa |
| Ropa (Wisłoka) | Ropa Fahrzeug- und Maschinenbau | Ropa Maschinenbau |
| Ropa vieja | Ropaži | Ropažu novads |
| Ropac | Ropaka | Ropală |
| Ropală Cicherschi | Ropalopus femoratus | Ropalopus macropus |
| Ropani | Ropar | Ropartz |
| Ropatal | Ropati | Ropatsch |
| RoPax | Ropax | Ropax 1 |
| Ropax 2 | RoPax 55 | RoPax-Schiff |
| Ropė | Ropczyce | Rope |
| Rope (Einheit) | Rope a dope | Rope Creek Cascades |
| Rope Dart | Rope Javelin | Rope of Sand |
| Rope Skipping | Rope-a-Dope | Rope-a-dope |
| Ropeadope | Ropeadope Records | Ropebrake |
| Ropebrake-Pass | Ropeginterferon alfa-2b | Ropeginterferon α-2b |
| Ropek | Ropelv | Roper |
| Roper (Fahrzeughersteller) | Roper Barrett | Roper Creek |
| Roper Dampfrad | Roper Highway | Roper Point |
| Roper River | Roper Technologies | Roper v. Simmons |
| Roper-Corbet | Roper-Dampfrad | Ropers |
| Ropertz | Roperuelos del Paramo | Roperuelos del Páramo |
| Ropes courses | Ropeskipping | Ropetaxi |
| ROPF | Rophaien | Ropharma Challenger Brașov 2011 |
| Rophé | Rophites | Rophites algirus |
| Rophites quinquespinosus | Rophitinae | Ropičanka |
| Ropica | Ropica (Kosovo) | Ropica Górna |
| Ropicë | Ropice | Ropinirol |
| ROPiT | Ropivacain | Ropivacainhydrochlorid-Monohydrat |
| Ropke | Ropner & Sons | Ropner Shipbuilding |
| Ropner Shipping Company | ROPO | Ropographie |
| Ropohl | Ropolssried | Roponen |
| Ropotamo | Ropotamo-Gletscher | Ropotan |
| Ropp | Ropp (Begriffsklärung) | Roppa Furukawa |
| Roppach | Roppe | Roppel |
| Roppelt | Roppeltshausen | Roppen |
| Roppen (Begriffsklärung) | Roppen (Ostpreußen) | Roppener Tunnel |
| Roppenheim | Roppenkrug | Roppentzwiller |
| Roppenzweiler | Ropperhausen | Ropperode |
| Roppersberg | Roppersberg (Wienerwald) | Roppershain |
| Roppersthal | Roppert | Roppertsweiler |
| Roppertz | Roppeviller | Roppitz |
| Roppolo | Roppolt | Roppongi |
| Roppongi Hills Mori Tower | Roppra | Roppweiler |
| Ropraz | Ropret | Roproniidae |
| ROPS | Rops | RoPS |
| RoPS Rovaniemi | Ropscha-Palast | Ropschütz |
| Ropse | Ropshits | Ropstad |
| Ropsten (Stockholms tunnelbana) | Roptscha | Ropucha-Klasse |
| Ropyr Madison Koe Wetzel | Ropz | Roqaya Al Ghasra |
| Roquan Smith | Roqué | Roqué Farrero |
| Roque | Roque (Begriffsklärung) | Roque (Peru) |
| Roque 25 | Roque Ablan Jr. | Roque Adames Rodríguez |
| Roque Adames Rodriguez | Roque Alberto Avallay | Roque Antonio Adames Rodríguez |
| Roque Antonio González Salazar | Roque Avallay | Roque Baños |
| Roque Banos | Roque Bentayga | Roque Biafore |
| Roque Bluffs | Roque Cabello | Roque Ceruti |
| Roque Chinchado | Roque Cinchado | Roque Cordero |
| Roque Costa Souza | Roque Dalton | Roque de Agando |
