simulacrum vs semblance

simulacrum and semblance both are nouns.

Word	Noun	Adjective	Verb	Adverb
simulacrum	Yes	No	No	No
semblance	Yes	No	No	No

As nouns, semblance is a hypernym of simulacrum; that is, semblance is a word with a broader meaning than simulacrum:

simulacrum: an insubstantial or vague semblance
semblance: an outward or token appearance or form that is deliberately misleading

Other hypernyms of simulacrum include color, colour, gloss.

simulacrum (noun)	semblance (noun)
a representation of a person (especially in the form of sculpture)	picture consisting of a graphic image of a person or thing
an insubstantial or vague semblance	an outward or token appearance or form that is deliberately misleading
	an erroneous mental representation