Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
ĭn-affectātus, a, um, adj., unaffected, natural (post-Aug.): ἀφέλεια simplex et inaffectata, Quint. 8, 3, 87: color (with simplex), id. 9, 4, 17: oratio, id. 11, 1, 93: jucunditas, id. 10, 1, 82: veritas verborum, Plin. Pan. 67, 1 al.