innersole vs sole

innersole and sole both are nouns.

Word	Noun	Adjective	Verb	Adverb
innersole	Yes	No	No	No
sole	Yes	Yes	Yes	No

As nouns, sole is a hypernym of innersole; that is, sole is a word with a broader meaning than innersole:

innersole (noun)	sole (noun)
the inner sole of a shoe or boot where the foot rests	right-eyed flatfish; many are valued as food; most common in warm seas especially European
	the underside of footwear or a golf club
	the underside of the foot
	lean flesh of any of several flatfish

innersole (adjective)	sole (adjective)
	being the only one; single and isolated from others
	not divided or shared with others

innersole (verb)	sole (verb)
	put a new sole on