114 entries under noun topic. ×

4
perfidiousness(fake, doubt, dishonesty, treachery)
4
apostasy(treachery, falseness, disloyalty, betrayal)
4
falseness(fake, deception, doubt, dishonesty)
4
treacherousness(plan, fake, doubt, trust)
4
unfaithfulness(deception, doubt, dishonesty, treachery)
4
conspiracy(plan, scheme, plot, collusion)
4
defection(disobedience, disloyalty, infidelity)
4
sabotage
3
subversion(damage, deception, agitation, destruction)
3
subversiveness
3
breach of faith(expression, idiom, deception, treachery)
3
breach of trust(expression, idiom, treachery, falseness)
3
crime(deception, treachery, disloyalty, sedition)
3
deception(dishonest, dishonesty, treachery, deceit)
3
disobedience(agitation, disobedience)
3
double-cross(fake, treachery, dodge, deceit)
3
insubordination(agitation, disobedience)
3
sellout(fake, deception, dishonesty, treachery)
2
disregard
2
agitation(rebellion, sedition)
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APASmart Define. (2015). treason thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/treason/thesaurus/synonyms
ChicagoSmart Define. 2015. "treason thesaurus" https://smartdefine.org/treason/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, treason thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/treason/thesaurus/synonyms>.
MLASmart Define. "treason thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/treason/thesaurus/synonyms>