straw man vs slicker

straw man and slicker both are nouns.

Word	Noun	Adjective	Verb	Adverb
straw man	Yes	No	No	No
slicker	Yes	No	No	No

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

Other hypernyms of straw man include beguiler, cheat, cheater, deceiver, trickster.

straw man (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