These are currently all the options for the first word in a horse’s name.

Bold = New Additions (based off of the list on Jorvikpedia)

A: 

Ace
Air
Amethyst
Angel
Anti
Apple
Artic
Ash
Autumn

B:

Baby
Bat
Berry
Big
Bird
Blind
Blue
Bold
Bow
Brave
Bright
Brilliant
Bullet
Bumble
Butter

C:

Cake
Candy
Caramel
Carrot
Cat
Chance
Chaos
Charm
Cherry
Chip
Chocolate
Chunky
Cinder
Cinnamon
Clash
Classy
Clever
Cloud
Clover
Coco
Coffee
Cold
Cookie
Cool
Copper
Coral
Crazy
Crescent
Crimson
Crown
Crystal
Cute

D:

Daisy
Danger
Dark
Dash
Dawn
Day
Desert
Dew
Diamond
Disco
Dizzy
Dog
Dollar
Dragon
Dream
Drop
Dusk
Dust
Dusty

E:

East
Echo
Ember
Emerald
Evening
Ever
Extra

F:

Faith
Fancy
Far
Fast
Fern
Fire
Flame
Flash
Flower
Flutter
Fly
Fortune
Fox
Frog
Frost

G:

Galaxy
Ghost
Giga
Ginger
Glitter
Glory
Gold
Grand
Grass
Gray
Great
Green
Grim
Guardian

H:

Hawk
Hay
Heavy
Hero
Hill
Hollow
Holly
Honey
Hot

I:

Ice
Iron

J:

Jade
Jelly
Jewel

L:

Lady
Lemon
Light
Lime
Lion
Little
Lost
Love
Lucky
Luna

M:

Marble
Mega
Melody
Meteor
Midnight
Mini
Mint
Miracle
Mirror
Mist
Money
Moon
Morning
Mouse

N:

Night
Ninja
Noble
North

O:

Obsidian
Ocean
Old
Onyx
Opal
Orange

P:

Pale
Party
Peace
Peach
Pearl
Pepper
Phantom
Pie
Pink
Pirate
Pixel
Pop
Posh
Potato
Power
Pumpkin

Q:

Quick

R:

Rain
Rainbow
Raspberry
Raven
Red
Rich
River
Rock
Rose
Royal
Ruby
Rune

S:

Sad
Saddle
Sand
Sapphire
Scary
Sea
Shade
Shadow
Shark
Sienna
Silent
Silver
Sky
Small
Smoke
Snake
Snow
Solid
Solo
South
Space
Spark
Sparkle
Spell
Spider
Spirit
Sporty
Spotlight
Spring
Star
Stone
Storm
Strawberry
Sugar
Summer
Sun
Sunny
Super
Swamp
Sweet

T:

Thorn
Thunder
Tiger
Time
Tiny
Trail
Trouble
Tuxedo
Twilight
Twin
Twinkle

U:

Ultra

V:

Vanilla
Violet

W:

Walrus
Water
West
Wild
Wind
Winter
Wish
Witch
Wolf
Wonder