Comparative
Smart
Smarter
Smartest
Clean
Cleaner
Cleanest
Kind
Kinder
Wonderful
Most wonderful
Pretty
Prettier
More ashamed
Cold
Colder
Coldest
Difficult
More difficult
Old
Oldest
Expensive
More expensive
Angry
Angriest
Annoying
Most annoying
Old
Older
Relaxing
Most relaxing
Big
Bigger
Comfortable
More comfortable
Risky
Riskiest
Beautiful
More beautiful
Heavy
Heaviest
Generous
More generous
Cheap
Cheaper
Cheapest
Mean
Meanest
Scary
Scarier
Dangerous
Most dangerous
Clean
Cleaner