counterfeiter vs slicker

counterfeiter and slicker both are nouns.

Word	Noun	Adjective	Verb	Adverb
counterfeiter	Yes	No	No	No
slicker	Yes	No	No	No

As nouns, slicker is a hypernym of counterfeiter; that is, slicker is a word with a broader meaning than counterfeiter:

Other hypernyms of counterfeiter include beguiler, cheat, cheater, deceiver, trickster.

counterfeiter (noun)	slicker (noun)
someone who makes copies illegally	a macintosh made from cotton fabric treated with oil and pigment to make it waterproof
	someone who leads you to believe something that is not true
	a person with good manners and stylish clothing