subterfuge vs deceit

subterfuge and deceit both are nouns.

Word	Noun	Adjective	Verb	Adverb
subterfuge	Yes	No	No	No
deceit	Yes	No	No	No

As nouns, deceit is a hypernym of subterfuge; that is, deceit is a word with a broader meaning than subterfuge:

subterfuge: something intended to misrepresent the true nature of an activity
deceit: a misleading falsehood

Other hypernyms of subterfuge include deception, misrepresentation.

subterfuge (noun)	deceit (noun)
something intended to misrepresent the true nature of an activity	the act of deceiving
	the quality of being fraudulent
	a misleading falsehood