shootout vs combat

shootout and combat both are nouns.

Word	Noun	Adjective	Verb	Adverb
shootout	Yes	No	No	No
combat	Yes	No	Yes	No

As nouns, combat is a hypernym of shootout; that is, combat is a word with a broader meaning than shootout:

shootout: a fight involving shooting small arms with the intent to kill or frighten
combat: the act of fighting; any contest or struggle

Other hypernyms of shootout include fight, fighting, scrap.

shootout (noun)	combat (noun)
a fight involving shooting small arms with the intent to kill or frighten	an engagement fought between two military forces
	the act of fighting; any contest or struggle

shootout (verb)	combat (verb)
	battle or contend against in or as if in a battle