chicanery vs dupery

chicanery and dupery both are nouns.

Word	Noun	Adjective	Verb	Adverb
chicanery	Yes	No	No	No
dupery	Yes	No	No	No

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

chicanery: the use of tricks to deceive someone (usually to extract money from them)
dupery: something intended to deceive; deliberate trickery intended to gain an advantage

Other hyponyms of chicanery include fraud, fraudulence, hoax, humbug, put-on, jugglery.

chicanery (noun)	dupery (noun)
the use of tricks to deceive someone (usually to extract money from them)	something intended to deceive; deliberate trickery intended to gain an advantage