penetrating injury vs trauma

penetrating injury and trauma both are nouns.

Word	Noun	Adjective	Verb	Adverb
penetrating injury	Yes	No	No	No
trauma	Yes	No	No	No

As nouns, trauma is a hypernym of penetrating injury; that is, trauma is a word with a broader meaning than penetrating injury:

penetrating injury: injury incurred when an object (as a knife or bullet or shrapnel) penetrates into the body
trauma: any physical damage to the body caused by violence or accident or fracture etc.; the condition of an injury

Other hypernyms of penetrating injury include harm, hurt, injury.

penetrating injury (noun)	trauma (noun)
injury incurred when an object (as a knife or bullet or shrapnel) penetrates into the body	an emotional wound or shock often having long-lasting effects
	any physical damage to the body caused by violence or accident or fracture etc.; the condition of an injury