Question

What is the relationship between pamper and spoil?

Answer 1

A) They are synonyms

Pamper - indulge with every attention, comfort, and kindness; spoil.

Spoil - harm the character of (a child) by being too lenient or indulgent.

Answer 2

If you spoil someone you treat them with great or excessive kindness or generosity.
If you pamper someone you indulge them with a great deal of attention and comfort.