confidence trick vs swindle

confidence trick and swindle both are nouns.

Word	Noun	Adjective	Verb	Adverb
confidence trick	Yes	No	No	No
swindle	Yes	No	Yes	No

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

confidence trick: a swindle in which you cheat at gambling or persuade a person to buy worthless property
swindle: the act of swindling by some fraudulent scheme

Other hypernyms of confidence trick include cheat, fraud, rig.

confidence trick (noun)	swindle (noun)
a swindle in which you cheat at gambling or persuade a person to buy worthless property	the act of swindling by some fraudulent scheme

confidence trick (verb)	swindle (verb)
	deprive of by deceit