faster
The rabbit is faster than the turtle
slower
The turtle is slower than the dog
bigger
The dog is bigger than the cat
smaller
The mouse is smaller than the lion.
older
The boy is older than his grandfather
younger
The little girl is younger than her grandmother
longer
The green snake is longer than the yellow snake
fastest
The plane is the fastest vehicle
slowest
The car is the slowest vehicle
biggest
The elephant is the biggest animal.
smallest
The ant is the smallest animal.
shortest
The green pencil is the shortest pencil.
longest
The yellow pencil is the longest pencil
youngest
Tim is the youngest boy
oldest
Brad is the oldest boy
