strawman vs slicker

strawman and slicker both are nouns.

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

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

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

strawman (noun)	slicker (noun)
an effigy in the shape of a man to frighten birds away from seeds	a macintosh made from cotton fabric treated with oil and pigment to make it waterproof
a weak or sham argument set up to be easily refuted	someone who leads you to believe something that is not true
a person used as a cover for some questionable activity	a person with good manners and stylish clothing