What should come in ? in following analogy - Peace : Chaos :: Creation : ?

Question

1) ANN, CPP, ERR, ?
2) U, O, I, ?, A

Answer 1

Peace and Chaos are antonyms to one another so destruction must be paired with creation.

Answer 2

The answer is DESTRUCTION

Answer 3

A general term used by physicists which can be applied to everything in the entire universe is.....,

Peace : Chaos :: Creation : Entropy