I / irrĕlĭgĭo
noun

irrĕlĭgĭo

gen. irrĕlĭgōnis · gender feminine · decl. 3rd
(), , 2. in-religio
impiety; irreligion
impiety, irreligion (post-class.), App. Trismeg. p. 91 (but not in Auct. Her. 2, 21).