action vs slide action

action and slide action both are nouns.

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

As nouns, slide action is a hyponym of action; that is, slide action is a word with a more specific, narrower meaning than action:

action: the operating part that transmits power to a mechanism
slide action: 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

Other hyponyms of action include firing mechanism, gunlock, movement, piano action, pump action, action.

action (noun)	slide action (noun)
the most important or interesting work or activity in a specific area or field	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
a judicial proceeding brought by one party against another; one party prosecutes another for a wrong done or for protection of a right or for prevention of a wrong
something done (usually as opposed to something said)
a military engagement
an act by a government body or supranational organization
the operating part that transmits power to a mechanism
In firearms terminology, the mechanism that handles the ammunition (loads, locks, fires, and extracts the cartridges).
the trait of being active and energetic and forceful
the series of events that form a plot
a process existing in or produced by nature (rather than by the intent of human beings)
the state of being active

action (verb)	slide action (verb)
put in effect
institute legal proceedings against; file a suit against