lesion vs slice

lesion and slice both are nouns.

Word	Noun	Adjective	Verb	Adverb
lesion	Yes	No	No	No
slice	Yes	No	Yes	No

As nouns, slice is a hyponym of lesion; that is, slice is a word with a more specific, narrower meaning than lesion:

lesion: an injury to living tissue (especially an injury involving a cut or break in the skin)
slice: a wound made by cutting

Other hyponyms of lesion include raw wound, stigmata, abrasion, excoriation, scrape, scratch, cut, gash, slash, laceration, bite.

lesion (noun)	slice (noun)
any localized abnormal structural change in a bodily part	a golf shot that curves to the right for a right-handed golfer
an injury to living tissue (especially an injury involving a cut or break in the skin)	a spatula for spreading paint or ink
	a serving that has been cut from a larger portion
	a thin flat piece cut off of some object
	a share of something
	a wound made by cutting

lesion (verb)	slice (verb)
	hit a ball so that it causes a backspin
	cut into slices
	make a clean cut through
	hit a ball and put a spin on it so that it travels in a different direction