| Ronneby | Ronneby |
| Ronnenberg | Ronnenberg |
| Ronnie James Dio | Ronnie James Dio |
| Ronnie Peterson | Ronnie Peterson |
| Ronon Dex | Ronon Dex |
| Ronsberg | Ronsberg |
| Ronse | Ronse |
| ronselen | recruit |
| Ronshausen | Ronshausen |
| rood | flush |
| Rood haar | Red hair |
| Rood kwikzilver | Red mercury |
| rood licht | stoplight |
| Rood peperboompje | Daphne mezereum |
| Rood soldaatje | Common red soldier beetle |
| Rood spieshert | Red Brocket |
| rood vlees | red meat |
| rood worden | blush |
| Rood-blauwe stoel | Red and Blue Chair |
| roodachtig | ruddy |
| Roodbaard | Redbeard |
| roodbaars | rose fish |
| Roodborst | Robin |
| roodborstje | robin |
| roodbruin | auburn |
| Roodbruine slanke amaniet | Amanita fulva |
| Roodbuikdwergarend | Rufous-bellied Eagle |
| Roodbuikpademelon | Tasmanian Pademelon |
| Roodbuikvuurpad | European Fire-bellied Toad |
| roodgloeiend | red-hot |
| Roodhandtamarin | Red-handed Tamarin |
| roodharig | red-haired |
| roodharige | redhead |
| Roodhemden | Red Shirts |
| roodhuid | redskin |
| Roodkapje | Little Red Riding Hood |
| Roodkeelanolis | Carolina anole |
| Roodkeeldraaihals | Rufous-necked Wryneck |
| Roodkeelduiker | Red-throated Diver |
| Roodkopamadine | Red-headed Finch |
| Roodkoper | Copper |
| roodkoperen | copper |
| Roodkopspecht | Red-headed Woodpecker |
| Roodkuifloerie | Red-crested Turaco |
| Roodmus | Common Rosefinch |
| roodogig | red-eyed |
| Roodoogmakikikker | Agalychnis callidryas |
| Roodoorbuulbuul | Red-whiskered Bulbul |
| Roodpootpademelon | Red-legged Pademelon |
| Roodrugparkiet | Red-rumped Parrot |
| Roodrugsalamander | Red Back Salamander |
| roodsel | eosin |
| Roodsteelfluweelboleet | Red-crackede bolete |
| Roodstuitzwaluw | Red-rumped Swallow |
| roodvleugel-mierklauwier | rufous-winged antshrike |
| roodvonk | scarlet fever |
| Roodwangschildpad | Red-eared slider |
| Roodzwenkgras | Red Fescue |
| roof | plunder |
| roof- | predatory |
| Roofbuideldieren | Dasyuromorphia |
| roofdier | predator |
| roofdieren | carnivora |
| Roofkunst | Nazi plunder |
| roofoverval | armed robbery |
| roofridder | robber baron |
| roofster | bandit |
| rooftocht | depredation |
| roofvis | predator |
| roofvogel | bird of prey |
| Roofvogels | Falconiformes |
| roofzucht | rapacity |
| roofzuchtig | rapacious |
| rooie rakker | liberal |
| rooien | lift |
| rook | smoke |
| rookbom | smoke bomb |
| rookcoupé | smokers |
| rookglas | smoked glass |
| rookgordijn | smoke screen |
| rookkwarts | cairngorm |
| rookmelder | smoke detector |
| rookpluim | plume |
| rooksliert | trail of smoke |
| rookster | smoker |
| Rooktabak | Cross-cut Maryland |
| rooktopaas | cairngorm |
| Rookverslaving | Health effects of tobacco smoking |
| rookvlees | smoke-dried meat |
| rookvrij | smokeless |
| rookwaterval | smokefall |
| rookzwart | soot |
| room | cream |
