dissimulator vs slicker

dissimulator and slicker both are nouns.

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

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

dissimulator: a person who professes beliefs and opinions that he or she does not hold in order to conceal his or her real feelings or motives
slicker: someone who leads you to believe something that is not true

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

dissimulator (noun)	slicker (noun)
a person who professes beliefs and opinions that he or she does not hold in order to conceal his or her real feelings or motives	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