Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
ĕdācĭtas, ātis, f. [edax], voracity, gluttony, Plaut. Pers. 1, 2, 7; Cic. Q. Fr. 3, 9, 9; id. Fam. 7, 26, 1; Ambros. Luc. 7, § 142.