adjectives
cheap
cheaper
large
larger
deep
deeper
short
shorter
nice
nicer
old
older
white
whiter
high
higher
wide
wider
small
smaller
big
bigger
heavy
heavier
difficult
more difficult
fat
fatter
sunny
sunnier
hilly
hillier
windy
windier
hot
hotter
cloudy
cloudier
expensive
more expensive
famous
more famous
red
redder
popular
more popular
crowded
more crowded
friendly
friendlier