machine vs air bag

machine and air bag both are nouns.

Word	Noun	Adjective	Verb	Adverb
machine	Yes	No	Yes	No
air bag	Yes	No	No	No

machine (noun)	air bag (noun)
any mechanical or electrical device that transmits or modifies energy to perform or assist in the performance of human tasks	a safety restraint in an automobile; the bag inflates on collision and prevents the driver or passenger from being thrown forward
a motor vehicle with four wheels; usually propelled by an internal combustion engine
a device for overcoming resistance at one point by applying force at some other point
a group that controls the activities of a political party
an intricate organization that accomplishes its goals efficiently
an efficient person

machine (verb)	air bag (verb)
make by machinery
turn, shape, mold, or otherwise finish by machinery