hoax vs trickery

hoax and trickery both are nouns.

Word	Noun	Adjective	Verb	Adverb
hoax	Yes	No	Yes	No
trickery	Yes	No	No	No

As nouns, trickery is a hypernym of hoax; that is, trickery is a word with a broader meaning than hoax:

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

Other hypernyms of hoax include chicane, chicanery, guile, shenanigan, wile.

hoax (noun)	trickery (noun)
something intended to deceive; deliberate trickery intended to gain an advantage	the use of tricks to deceive someone (usually to extract money from them)
	verbal misrepresentation intended to take advantage of you in some way

hoax (verb)	trickery (verb)
subject to a playful hoax or joke