Strongest:
* Hatred: This is the most direct and powerful synonym, emphasizing intense dislike and animosity.
* Animosity: This word suggests a deep-seated hostility and ill will.
* Vengeance: This implies a desire for revenge or retribution.
More specific:
* Hostility: This refers to a state of unfriendliness and opposition.
* Feud: This suggests a prolonged and bitter conflict between individuals or groups.
* Discord: This implies a lack of agreement or harmony, often leading to conflict.
* Aversion: This refers to a strong dislike or repugnance.
* Antipathy: This suggests a natural and instinctive dislike or aversion.
More neutral:
* Conflict: This is a general term for any disagreement or opposition.
* Friction: This refers to a state of tension or disagreement, often subtle and unspoken.
* Differentiation: This refers to a difference or distinction that may lead to conflict.
The best synonym for "enmity" will depend on the specific context and the intensity of the feeling you want to convey.