disparity
//dɪˈspærɪti//
Noun
disparitySingular
disparitiesPlural
1
A great difference or inequality between things, especially one that is considered unfair.
The disparity in income between the rich and the poor continues to grow.
2
A lack of equality or similarity, especially in a way that is not fair or reasonable.
The disparity in wages between men and women remains a serious issue.