Comparative: longer, shorter, cleverer, sillier, more interesting, weaker, more wonderful, heavier, fatter, more delicious, better, braver, more various, colder.
Superlative: longest, shortest, cleverest, silliest, most interesting, weakest, most wonderful, heaviest, fattest, most delicious, best, bravest, most various, coldest.
Comparative: smaller, hotter, fatter, greater, happier, nastier, cleverer, sharper, safer, slower, quieter, bigger, more modern, more expensive, more comfortable, later, better, funnier, more intelligent, older, worse, younger, farther, nearer, smaller, larger, more useful, more difficult, more interesting, prettier, more wonderful, more serious, luckier, simpler, thinner, more beautiful, narrower, more careless, more dangerous.
Superlative: smallest, hottest, fattest, greatest, happiest, nastiest, cleverest, sharpest, safest, slowest, quietest, biggest, most modern, most expensive, most comfortable, latest, best, funniest, most intelligent, oldest, worst, youngest, farthest, nearest, smallest, largest, most useful, most difficult, most interesting, prettiest, most wonderful, most serious, luckiest, simplest, thinnest, most beautiful, narrowest, most careless, most dangerous.