buffer vs machine

buffer and machine both are nouns.

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

buffer (noun)	machine (noun)
a cushion-like device that reduces shock due to an impact	any mechanical or electrical device that transmits or modifies energy to perform or assist in the performance of human tasks
a power tool used to buff surfaces	a motor vehicle with four wheels; usually propelled by an internal combustion engine
an inclined metal frame at the front of a locomotive to clear the track	a device for overcoming resistance at one point by applying force at some other point
(computer science) a part of RAM used for temporary storage of data that is waiting to be sent to a device; used to compensate for differences in the rate of flow of data between components of a computer system	a group that controls the activities of a political party
an implement consisting of soft material mounted on a block; used for polishing (as in manicuring)	an intricate organization that accomplishes its goals efficiently
a neutral zone between two rival powers that is created in order to diminish the danger of conflict	an efficient person
(chemistry) an ionic compound that resists changes in its pH

buffer (verb)	machine (verb)
add a buffer (a solution)	make by machinery
protect from impact	turn, shape, mold, or otherwise finish by machinery