machine vs gun

machine and gun both are nouns.

Word	Noun	Adjective	Verb	Adverb
machine	Yes	No	Yes	No
gun	Yes	No	Yes	No

machine (noun)	gun (noun)
any mechanical or electrical device that transmits or modifies energy to perform or assist in the performance of human tasks	the discharge of a firearm as signal or as a salute in military ceremonies
a motor vehicle with four wheels; usually propelled by an internal combustion engine	a weapon that discharges a missile at high velocity (especially from a metal tube or barrel)
a device for overcoming resistance at one point by applying force at some other point	large but transportable armament
a group that controls the activities of a political party	a hand-operated pump that resembles a pistol; forces grease into parts of a machine
an intricate organization that accomplishes its goals efficiently	a pedal that controls the throttle valve
an efficient person	a professional killer who uses a gun
	a person who shoots a gun (as regards their ability)

machine (verb)	gun (verb)
make by machinery	shoot with a gun
turn, shape, mold, or otherwise finish by machinery