peccation
/pɛˈkeɪʃn/ /pəˈkeɪʃn/rare
noun
The action of sinning; sin.
Origin
Mid 19th century; earliest use found in William Thackeray (1811–1863), novelist. From classical Latin peccātiōn-, peccātiō wrongdoing from peccāt-, past participial stem of peccāre to sin + -iō.