Subcategories:
— [noun] (40)
— [adjective] (30)
— [adverb] (4)
— fall short of duty [verb (intransitive)] (4)
— refuse to acknowledge obligation [verb (transitive)] (2)
— fail to perceive one's duty [verb (reflexive)] (1)
— unfaithfulness (90)
— disloyalty (42)
— treachery (196)
— betrayal (38)