Dangerous
More dangerous
Tall
Taller
Difficult
More difficult
Young
Younger
Cheap
Cheaper
Bad
Worse
Happy
Happier
Good
Better
Cold
Colder
Expensive
More expensive
Fast
Faster
Small
Smaller
Easy
Easier
Old
Older
Ugly
Uglier
Slow
Slower
Dirty
Dirtier
Clean
Cleaner
Short
Shorter
Hot
Hotter
Pretty
Prettier
Interesting
More interesting
Long
Longer
Big
Bigger