bumper vs machine

bumper and machine both are nouns.

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

bumper (noun)	machine (noun)
a mechanical device consisting of bars at either end of a vehicle to absorb shock and prevent serious damage	any mechanical or electrical device that transmits or modifies energy to perform or assist in the performance of human tasks
a glass filled to the brim (especially as a toast)	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

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