Make a sentence:
easy (easier) / difficult (more difficult)
Make a sentence:
modern (more modern)
Make a sentence:
safe (safer) / dangerous (more dangerous)
Make a sentence:
fat (fatter) / slim (slimmer)
Make a sentence:
heavy (heavier) / light (lighter)
Make a sentence:
new (newer) / old (older)
Make a sentence:
happy (happier) / angry (angrier)
Make a sentence:
light (lighter) / dark (darker)
Make a sentence:
fast (faster) / slow (slower)
Make a sentence:
handsome (more handsome)
Make a sentence:
clean (cleaner) / dirty (dirtier)
Make a sentence:
ugly (uglier) / pretty (prettier) / beautiful (more beautiful)
Make a sentence:
young (younger) / old (older)
Make a sentence:
big (bigger) / small (smaller)
Make a sentence:
long (longer) / short (shorter)
Make a sentence:
smart (smarter) / dumb (dumber)
Make a sentence:
tall (taller) / short (shorter)
Make a sentence:
cheap (cheaper) / expensive (more expensive)