big, bigger
bigger, biggest
shorter, shortest
short, shorter
rich, richer
richer, richest
stronger, strongest
strong, strongest
saddest
sadder
saddest
sadder
hotter, hottest
hot, hotter
short
shorter
funny
funniest
older, oldest
old, oldest
...
heavy
heavier
taller, tallest
tall, taller
fast, faster
faster, fastest
loud
loudest