lesion vs bite

lesion and bite both are nouns.

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

As nouns, bite is a hyponym of lesion; that is, bite 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)
bite: a wound resulting from biting by an animal or a person

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

lesion (noun)	bite (noun)
any localized abnormal structural change in a bodily part	the act of gripping or chewing off with the teeth and jaws
an injury to living tissue (especially an injury involving a cut or break in the skin)	a portion removed from the whole
	a strong odor or taste property
	wit having a sharp and caustic quality
	(angling) an instance of a fish taking the bait
	a light informal meal
	a small amount of solid food; a mouthful
	a wound resulting from biting by an animal or a person
	a painful wound caused by the thrust of an insect's stinger into skin

lesion (verb)	bite (verb)
	to grip, cut off, or tear with or as if with the teeth or jaws
	penetrate or cut, as with a knife
	deliver a sting to
	cause a sharp or stinging pain or discomfort