peculator vs slicker

peculator and slicker both are nouns.

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

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

Other hypernyms of peculator include beguiler, cheat, cheater, deceiver, trickster, stealer, thief.

peculator (noun)	slicker (noun)
someone who violates a trust by taking (money) for his own use	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