old,older/elder,oldest/eldest
tall,taller,tallest
long,longer,longest
short,shorter,shortest
strong,stronger,strongest
big,bigger,biggest
small,smaller,smallest
fat,fatter,fattest
thin,thinner,thinnest
heavy,heavier,heaviest
light,lighter,lightest
nice,nicer,nicest
good,better,best
beautiful,more beautiful,most beautiful
low,lower,lowest
high,higher,highest
slow,slower,slowest
fast,faster,fastest
last,laster,lastest
late,later,latest
early,earlier,earliest
far,farther/further,farthest/furthest
well,better,best