dishonesty vs deceit

dishonesty and deceit both are nouns.

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

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

dishonesty (noun)	deceit (noun)
lack of honesty; acts of lying or cheating or stealing	the act of deceiving
the quality of being dishonest	the quality of being fraudulent
	a misleading falsehood