Dramatic writing always begs for feelings. Or is it emotions? It's actually both things, that begging. The differences tell us when to rely on each one as we create our scenes and stories.

Simple enough

Rage = Emotion

Contempt = Feeling

Feelings are emotions refined. Emotions are raw, unconsidered, sudden and unbidden.

The rage boiled up in me.

There was an air of contempt in his speech.