lacerate vs bruise

lacerate is not a noun while bruise is a noun.

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

As verbs, bruise is a hypernym of lacerate; that is, bruise is a word with a broader meaning than lacerate:

Other hypernyms of lacerate include hurt, injure, offend, spite, wound.

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

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

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