phantom vs semblance

phantom and semblance both are nouns.

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

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

Other hypernyms of phantom include illusion.

phantom (noun)	semblance (noun)
something existing in perception only	picture consisting of a graphic image of a person or thing
a ghostly appearing figure	an outward or token appearance or form that is deliberately misleading
	an erroneous mental representation

phantom (adjective)	semblance (adjective)
something apparently sensed but having no physical reality