* means more than one category

Colors:
Amber
Black
Blue
Brown
Copper
Dark
Golden
Gray
Green
Pale
Red
Russet
Silver
Tawny
White
Yellow

Patterns:
Brindle
Dapple
Mottle
Patch
Speckle
Splash*
Spotted

Mammals:
Badger
Deer
Fawn
Ferret
Fox
Hare
Leopard
Lion
Mole
Mouse
Otter
Rabbit
Rat
Sheep
Shrew
Squirrel
Stoat
Tiger
Vixen
Vole
Weasel
Wolf

Birds:
Bird
Buzzard
Crow
Dove
Duck
Eagle
Feather
Finch
Goose
Hawk
Heron
Jay
Kestrel
Lark
Owl
Quail
Raven
Robin
Sparrow
Starling
Swallow
Swift*
Thrush

Insects:
Ant
Beetle
Fly
Maggot
Moth
Spider
Wasp

Fish, Amphibians and Reptiles:
Adder
Eel
Frog
Lizard
Minnow
Newt
Perch
Pike
Snake
Toad
Trout

Trees:
Ash*
Aspen
Bark
Beech
Birch
Cedar
Cherry*
Larch
Log
Maple
Marigold*
Oak
Pine
Rowan
Timber
Twig
Willow

Fruits, Berries, and Nuts:
Acorn
Apple
Berry
Cherry*
Holly*
Nut
Olive*
Pear
Plum
Pod*
Seed

Flowers:
Blossom
Clover
Daisy
Flower
Lily
Heather*
Petal
Poppy
Primrose
Rose

Bushes and other Plants and Undergrowth:
Bracken
Bramble
Briar
Fern
Furze
Gorse
Grass
Ivy
Hay
Hazel
Heather
Holly*
Leaf
Lichen
Moss
Mossy
Nettle
Oat
Olive*
Reed
Rush*
Sedge
Sloe
Thistle
Thorn
Vine
Weed

Herbs:
Mallow
Marigold*
Mint
Rye
Sage
Sorrel
Fennel

Weather:
Blizzard
Breeze
Cloud
Dawn
Dew
Drift
Dusk
Frost
Hail
Ice
Lightning
Mist
Misty
Moon
Morning
Night
Rain
Shade
Snow
Storm
Sun
Sunny

Rocks and Stones:
Boulder
Flint
Pebble
Rock
Rubble
Sand
Sandy
Slate
Stone

Geographic:
Creek
Fallow
Lake
Marsh
Meadow
Pool

Other Nature:
Ash
Cinder
Dust
Echo
Ember
Fire
Flame
Honey
Milk
Mud
Ripple
Scorch
Shell
Smoke
Soot

Actions:
Arch
Bounce
Crouch
Fallen
Fleet
Jump
Mumble
Pounce
Quick
Running
Rush*
Shred
Sneeze
Splash*
Swift*
Tangle
Tumble

Other:
Brave
Bright
Broken
Bumble
Claw
Crooked
Curl
Dead
Fuzzy
Half
Heavy