gun vs safety catch

gun and safety catch both are nouns.

Word	Noun	Adjective	Verb	Adverb
gun	Yes	No	Yes	No
safety catch	Yes	No	No	No

gun (noun)	safety catch (noun)
the discharge of a firearm as signal or as a salute in military ceremonies	guard consisting of a locking device that prevents a weapon from being fired
a weapon that discharges a missile at high velocity (especially from a metal tube or barrel)
large but transportable armament
a hand-operated pump that resembles a pistol; forces grease into parts of a machine
a pedal that controls the throttle valve
a professional killer who uses a gun
a person who shoots a gun (as regards their ability)

gun (verb)	safety catch (verb)
shoot with a gun