comparative
thin
thinner
old
oldest
fat
fatter
cheap
cheapest
big
bigger
small
smallest
easy
easier
busy
busiest
expensive
more expensive
the most expensive
modern
more modern
interesting
the most interesting
new
newer
boring
the most boring
funny
funnier
dirty
the dirtiest
good
better
bad
the worst
much,many
more
little
the least