simulacrum vs straw man

simulacrum and straw man both are nouns.

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

As nouns, straw man is a hyponym of simulacrum; that is, straw man is a word with a more specific, narrower meaning than simulacrum:

simulacrum: a representation of a person (especially in the form of sculpture)
straw man: an effigy in the shape of a man to frighten birds away from seeds

Other hyponyms of simulacrum include Guy, god, graven image, idol, bird-scarer, scarecrow, scarer, strawman, wax figure, waxwork, close-up.

simulacrum (noun)	straw man (noun)
a representation of a person (especially in the form of sculpture)	an effigy in the shape of a man to frighten birds away from seeds
an insubstantial or vague semblance	a weak or sham argument set up to be easily refuted
	a person used as a cover for some questionable activity