good
better
flat
flatter
difficult
more difficult
handsome
more handsome
happy
happier
heavy
heavier
big
bigger
fit
fitter
easy
easier
weak
weaker
expensive
more expensive
short
shorter
early
earlier
cold
colder
black
blacker
beautiful
more beautiful
bad
worse
interesting
more interesting
full
fuller
important
more important
clear
clearer
tall
taller
tan
tanner
lucky
luckier
strong
stronger
slim
slimmer
popular
more popular
far
farther / further
mad
madder
thin
thinner
furry
furrier
modern
more modern
intelligent
more intelligent
polite
more polite
small
smaller
great
greater
hot
hotter
ugly
uglier
sad
sadder
wet
wetter
funny
funnier
scary
scarier
pretty
prettier