Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
dēlātĭo, ōnis, f. [defero, no. II. B. 2. b.], an accusation, denunciation: nominis, Cic. Div. in Caecil. 20, 64; id. ib. 3, 7; id. Cluent. 8, 25.
Absol.: cuicumque vos delationem dedissetis, Cic. Div. in Caecil. 15, 49; Tac. A. 4, 66; Curt. 6, 8, 13; in plural, Tac. H. 2, 10; 2, 84; Plin. Pan. 34, 5; 45, 2 et saep.