the quality of not being loyal to a person, country, or organization; unfaithfulness.
disloyalty
the quality of being faithful; fidelity.
faithfulness
the action of betraying one's country, a group, or a person
betrayal
love, loyalty, or enthusiasm for a person, activity, or cause.
devotion
deceitfulness; untrustworthiness.
perfidy
the quality of being dedicated or committed to a task or purpose.
dedication
the action of betraying someone or something.
treason
the state or quality of being dedicated to a cause, activity
commitment
betrayal of trust; deceptive action or nature.
treachery
faithfulness to a person, cause, or belief, demonstrated by continuing loyalty and support.
fidelity