bruise vs lacerate

bruise is a noun but lacerate is not a noun.

Word	Noun	Adjective	Verb	Adverb
bruise	Yes	No	Yes	No
lacerate	No	Yes	Yes	No

As verbs, lacerate is a hyponym of bruise; that is, lacerate is a word with a more specific, narrower meaning than bruise:

Other hyponyms of bruise include affront, diss, insult, sting, abase, chagrin, humble, humiliate, mortify.

bruise (noun)	lacerate (noun)
an injury that doesn't break the skin but results in some discoloration

bruise (adjective)	lacerate (adjective)
	having edges that are jagged from injury
	irregularly slashed and jagged as if torn

bruise (verb)	lacerate (verb)
damage (plant tissue) by abrasion or pressure	cut or tear irregularly
break up into small pieces for food preparation	deeply hurt the feelings of; distress
injure the underlying soft tissue or bone of
hurt the feelings of