The quality of having spots or marks on something.
Spottinesses can make something look interesting or unique, like a leopard's fur.
Examples:
The spottinesses on the cat's fur are black and brown.
The spottinesses on the banana make it look ripe.
I like the spottinesses on the ladybug's back.
The spottinesses on the cow make it look like a big Dalmatian.
The spottinesses on the snake make it look dangerous.
The spottinesses on the egg make it look special.