knavery vs treason

knavery and treason both are nouns.

Word	Noun	Adjective	Verb	Adverb
knavery	Yes	No	No	No
treason	Yes	No	No	No

As nouns, treason is a hyponym of knavery; that is, treason is a word with a more specific, narrower meaning than knavery:

Other hyponyms of knavery include betrayal, perfidy, treachery, charlatanism, quackery, trick, falsehood, falsification.

knavery (noun)	treason (noun)
lack of honesty; acts of lying or cheating or stealing	a crime that undermines the offender's government
	an act of deliberate betrayal
	disloyalty by virtue of subversive behavior