Traitorous is a synonym of treasonable.
As adjectives the difference between traitorous and treasonable
is that traitorous is characteristic of a traitor; disloyal while treasonable is involving or constituting treason.
traitorous
English
Alternative forms
* traitourous (obsolete)
Adjective
(
en adjective)
Characteristic of a traitor; disloyal
(legal) Constituting treason; treasonable or seditious