The giraffe is ... (tall) than the zebra.
taller
The library is ... (quiet) than the playground.
quieter
A cat is ... (small) than the lion.
smaller
This drum is ... (loud) than that drum.
louder
My sister is ... (young) than me.
younger
My grandpa is ... (old) than my dad.
older
Cheetahs are ... (fast) than lions.
faster
Turtles are ... (slow) than rabbits.
slower