Old+er=
Older
Big+er=
Bigger
Tall+er=
Taller
Fast+er=
Faster
Who is older?
Man
Woman
Which is bigger?
Chicken
Egg
Long+er=
Longer
Which is longer?
Carrot 1
Carrot 2
Which is longer?
Snake 1
Snake 2
Heavy+er
Heavier
Who is taller?
Boy
Girl
Who is taller?
Elsa
Thanos
Which is taller?
Rabbit
Lion
Which is heavier?
Elephant
Bird
Which is bigger?
Chicken
Cow
Which is heavier?
Bird
Cat
