Solar, for instance, is less useful in the long dark night of the northern winter.Washington Post (Aug 14, 2015) sol (sun) + ar (suffix forming adjectives) As the roots and definition show, the word should be an adjective, but the example sentence uses it as a shortened form of the noun phrase solar energy..
Disproportionality is the overrepresentation of a particular race or cultural group in a program or system compared to their representation in the general population. Disproportionality affects all systems such as the educational, mental health and judicial systems creating additional costs within these areas.
If there is a disparity between how great you think you are at tennis and how you actually play, you are probably surprised by how often you lose. Disparity is the condition of being unequal, and a disparity is a noticeable difference. Disparity usually refers to a difference that is unfair: economic disparities exist among ethnic groups, there is a disparity between what men and women earn in the same job. This noun derives from Latin dispar unequal.. The opposite of disparity is parity, the condition of being equal or the same.