Category 1
Advantage
Advantageous
Adventure
Adventurous
Anxiety
Anxious
Capacity
Capacious
Caution
Cautious
Courage
Courageous
Courtesy
Courteous
Danger
Dangerous
Disaster
Disastrous
Fable
Fabulous
Fame
Famous
Fury
Furious
Gracious
Grief
Grievous
Humour
Humorous
Industry
Industrious
Injure
Injurious
Labour
laborious
Luxury
Luxurious
Marvel
Marvelous
Melody
Melodious
Mischief
Mischievous
Mountain
Mountainous
Mystery
Mysterious
Glory
Glorious