Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
discrĕpantĭa, ae, f. [discrepo], discordance, dissimilarity, discrepancy (a Ciceron. word): rerum et verborum, Cic. Fin. 3, 12 fin.: scripti et voluntatis, id. Top. 25 fin.: nulla, id. Off. 1, 31, 111.