23
treachery(noun, plan, damage, fake, deception)
20
disloyalty(noun, plan, doubt, dishonesty, treachery)
18
betrayal(noun, fake, doubt, dishonesty, treachery)
16
perfidy(noun, plan, fake, deception, doubt)
15
sedition(noun, plan, deception, agitation, trust)
12
traitorousness(noun, deception, doubt, trust, treachery)
10
faithlessness(noun, fake, deception, doubt, dishonesty)
10
high treason(noun, expression, idiom, treachery, disobedience)
10
dishonesty(noun, deception, doubt, treachery, deceit)
9
deceitfulness(noun, deception, dishonesty, treachery, fraud)
8
mutiny(noun, deception, agitation, treachery, disobedience)
7
rebellion(noun, agitation, disobedience)
6
lese majesty(noun, expression, idiom)
6
disaffection(noun, fake, deception, dishonesty, treachery)
6
infidelity(noun, fake, doubt, dishonesty, treachery)
6
revolt(noun, verb, deception, agitation, treachery)
5
insurrection(noun, agitation, disobedience, rebellion)
5
duplicity(noun, fake, deception, dishonesty, treachery)
5
seditiousness(noun, deception, trust, treachery, falseness)
4
deceit(noun, deception, dishonesty, treachery, fraud)
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APASmart Define. (2015). treason thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/treason/thesaurus/synonyms
ChicagoSmart Define. 2015. "treason thesaurus" https://smartdefine.org/treason/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, treason thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/treason/thesaurus/synonyms>.
MLASmart Define. "treason thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/treason/thesaurus/synonyms>