comparative of hot
hotter
comparative of fast
faster
comparative of young
younger
comparative of high
higher
comparative of difficult
more difficult
comparative of warm
warmer
comparative of light
lighter
comparative of popular
more popular
comparative of heavy
heavier
comparative of long
longer
comparative of bad
worse
comparative of expensive
more expensive
comparative of good
better
comparative of old
older
comparative of big
bigger
comparative of early
earlier
comparative of comfortable
more comfortable
comparative of small
smaller
comparative of cold
colder