sole vs foot

sole and foot both are nouns.

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

sole (noun)	foot (noun)
right-eyed flatfish; many are valued as food; most common in warm seas especially European	travel by walking
the underside of footwear or a golf club	any of various organs of locomotion or attachment in invertebrates
the underside of the foot	the pedal extremity of vertebrates other than human beings
lean flesh of any of several flatfish	lowest support of a structure
	a support resembling a pedal extremity
	the part of the leg of a human being below the ankle joint
	(prosody) a group of 2 or 3 syllables forming the basic unit of poetic rhythm
	an army unit consisting of soldiers who fight on foot
	the lower part of anything
	a member of a surveillance team who works on foot or rides as a passenger
	a linear unit of length equal to 12 inches or a third of a yard

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