disparity - Dictionary definition and meaning for word disparity
parity means eqal...so disparity meanus unequal ..different!...
PAR is the root here which by itself means difference or separation...check out all words like disPARage , disPARate , PARity etc
(Dis)-not (par)-parallel or equal, means condition of inequality
dis - parity => dis-party party : enjoy with equality ...... thus it can be said.... disparity is in-equality