rake - rein
- red snow
- red soil
- red spider
- red spruce
- red squill
- red squirrel
- red star
- red tape
- red tide
- Red Volta
- red water
- red wheat
- red wine
- red wolf
- red worm
- red zone
- red-bait
- red-baiter
- red-baiting
- red-bellied dace
- red-blooded
- red-breasted bream
- red-carpet
- red-cockaded woodpecker
- red-eye
- red-eyed vireo
- red-green blindness
- red-green color blindness
- red-handed
- red-hot
- red-hot poker
- red-legged grasshopper
- red-legged locust
- red-letter
- red-light
- red-pencil
- red-shafted flicker
- red-shouldered hawk
- red-tailed hawk
- red-winged blackbird