face value vs semblance

face value and semblance both are nouns.

Word	Noun	Adjective	Verb	Adverb
face value	Yes	No	No	No
semblance	Yes	No	No	No

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

face value: the apparent worth as opposed to the real worth
semblance: an outward or token appearance or form that is deliberately misleading

Other hypernyms of face value include color, colour, gloss.

face value (noun)	semblance (noun)
the apparent worth as opposed to the real worth	picture consisting of a graphic image of a person or thing
the value of a security that is set by the company issuing it; unrelated to market value	an outward or token appearance or form that is deliberately misleading
	an erroneous mental representation