Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
Cānĭdĭa, ae, f., a sorceress, often mentioned by Horace, Hor. Epod. 3, 8; id. S. 1, 8, 24; 2, 1, 48; 2, 8, 95; to whom Epod. 5 and 17 are addressed.