healthy
comparative - healthier; superlative - the healthiest
quiet
comparative - quieter; superlative - the quietest
clean
comparative - cleaner; superlative - the cleanest
interesting
comparative - more interesting; superlative - the most interesting
attractive
comparative - more attractive; superlative - the most attractive
ugly
comparative - uglier; superlative - the ugliest
nice
comparative - nicer; superlative - the nicest
big
comparative - bigger; superlative - the biggest
hot
comparative - hotter; superlative - the hottest
crowded
comparative - more crowded; superlative - the most crowded
Bad
comparative - worse; superlative - the worst
fast
comparative - faster; superlative - the fastest
famous
comparative - more famous; superlative - the most famous
slow
comparative - slower; superlative - the slowest
beautiful
comparative - more beautiful; superlative - the most beautiful
careful
comparative - more careful; superlative - the most careful