Young: She is younger than me, but he is the youngest of all.
Cheap: The cap is cheaper than the jacket, but the socks are the cheapest of all.
Old: My father is older than my mom, but my grandfather is the oldest.
Clean: the floor is cleaner than the carpet, but the door is the cleanest of all.
Small: the white house is smaller than the yellow one, but the blue house is the smallest.
Thin: hoover is thiner than samuel, but antonio is the thinest of all.
Dirty: the yellow carpet is more dirty than the blue one, but the red one is the dirtiest.
Fat: Marialejandra is fatter than Karla, but Daniela is the fatter.
Difficult: eanglish is more difficult than math, but chainese is the difficultest.
Expensive: the black pourse is more expensive than the brown one, but the red one is the espensivest.