Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
insidiousness | Yes | No | No | No |
treachery | Yes | No | No | No |
insidiousness (noun) | treachery (noun) |
---|---|
subtle and cumulative harmfulness (especially of a disease) | an act of deliberate betrayal |
the quality of being designed to entrap | betrayal of a trust |