slide action vs shotgun

slide action and shotgun both are nouns.

Word	Noun	Adjective	Verb	Adverb
slide action	Yes	No	No	No
shotgun	Yes	No	No	No

slide action (noun)	shotgun (noun)
action mechanism in a modern rifle or shotgun; a back and forward motion of a sliding lever ejects the empty shell case and cocks the firearm and loads a new round	firearm that is a double-barreled smoothbore shoulder weapon for firing shot at short ranges