General synonyms:
* Disparity: This emphasizes a significant difference, often in size or amount.
* Distinction: This highlights a clear difference that sets things apart.
* Variance: This emphasizes the degree of difference or the range of variation.
* Variation: This emphasizes the act or fact of changing or being different.
* Divergence: This implies moving apart or becoming different.
* Discrepancy: This suggests an inconsistency or disagreement.
More specific synonyms:
* Contrast: Emphasizes the difference in appearance or character between two things.
* Deviation: Emphasizes a departure from a norm or standard.
* Inequality: Emphasizes an unfair difference in treatment or opportunity.
* Disagreement: Refers to a difference of opinion.
* Dissimilarity: Emphasizes the lack of similarity between things.
The best word to use depends on the specific context and the type of difference you want to convey.