Large-larger-largest
nice-nicer-nicest
white-whiter-whitest
rich-richer-richest
small-smaller-smallest
red-reder-redest
big-biger-bigest
nice-nicer-nicest
fin-finer-finest
cozy-cozer-cozest
happy-happier-happiest
comfortable-comfortabler-comfortablest
interesting-more interesting-very interesting
difficult-difficulty-dificultes