Explanation:

- Empathy:

- Involves understanding and sharing the feelings of others.

- Focuses on emotional connection and compassion.

- Positive emotional concept.

- Envy:

- A feeling of discontent or desire for someone else's possessions or qualities.

- Typically associated with negative emotions.

- Jealousy:

- Arises from fear of loss, often in relationships, or due to rivalry.

- Generally considered a negative emotion.

- Hatred:

- Intense dislike or hostility towards someone or something.

- Strongly negative emotion.

Highlighting the Correct Answer:

- Empathy is the different word here, as it is the only positive emotion among the negative ones.

Empathy is the correct option.