Both are pastes made of mashed beans (peanuts and chickpeas are beans.) They also have a similar nutrient profile and are both used for similar dishes.
Peanut butter can be made solely with blended peanuts. Hummus is rarely, if ever ime, made with only blended chickpeas and also requires some oil/tahini for even the basic texture.
Red curry paste or Panang curry paste, saute in pan. Pour in your coconut milk, dump too much peanut butter in usually crunchy and add salt/sugar to taste.