nice-nicer-
dear- -dearest
good-better-best
many-more-most
interesting-more interesting-most interesting
boring-more boring-most boring
difficult-more difficult-most difficult
relaxing-more relaxing-most relaxing
great-greater-greatest
well-better-best
healthy-healthier-healthiest
big-bigger-biggest
small-smaller-smallest
short-shorter-shortest
long-longer-longest
happy-happier-happiest
old-older-oldest
funny-funnier-funniest
scary-scarier-scariest
sad-sadder-saddest
exciting-more exciting-most exciting
new-newer-newest
successful-more successful-most successful
little-less-least
busy-busier-busiest
tired-more tired-most tired
strict-stricter-strictest
clean-cleaner-cleanest
quiet-quieter-quietest
dirty-dirtier-dirtiest
hungry-hungrier-hungriest
cute-cuter-cutest
smart-smarter-smartest
ugly-uglier-ugliest
friendly-friendlier-friendliest
shy-shier-shiest
clever-cleverer-cleverest
beautiful-more beautiful-most beautiful
lazy-lazier-laziest
dangerous-more dangerous-most dangerous
young-younger-youngest
bad-worse-worst
terrible-more terrible-most terrible
hot-hotter-hottest
cold-colder-coldest
cool-cooler-coolest
warm-warmer-warmest
humid-humider-humidest
surprised-more surprised-most surprised
tall-taller-tallest
curly-curlier-curliest
straight-straighter-straightest
thin-thinner-thinnest
heavy-heavier-heaviest
popular-more popular-most popular
large-larger-largest
fantastic-more fantastic-most fantastic
delicious-more delicious-most delicious
awful-awfuller-awfullest
expensive-more expensive-most expensive
cheap-cheaper-cheapest