card trick vs illusion

card trick and illusion both are nouns.

Word	Noun	Adjective	Verb	Adverb
card trick	Yes	No	No	No
illusion	Yes	No	No	No

As nouns, illusion is a hypernym of card trick; that is, illusion is a word with a broader meaning than card trick:

Other hypernyms of card trick include conjuration, conjuring trick, deception, legerdemain, magic, magic trick, thaumaturgy, trick.

card trick (noun)	illusion (noun)
a trick performed with playing cards	the act of deluding; deception by creating illusory ideas
	an illusory feat; considered magical by naive observers
	something many people believe that is false
	an erroneous mental representation