human foot vs sole

human foot and sole both are nouns.

Word	Noun	Adjective	Verb	Adverb
human foot	Yes	No	No	No
sole	Yes	Yes	Yes	No

human foot (noun)	sole (noun)
the part of the leg of a human being below the ankle joint	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

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

human foot (verb)	sole (verb)
	put a new sole on