buffer vs random-access memory

buffer and random-access memory both are nouns.

Word	Noun	Adjective	Verb	Adverb
buffer	Yes	No	Yes	No
random-access memory	Yes	No	No	No

buffer (noun)	random-access memory (noun)
a cushion-like device that reduces shock due to an impact	the most common computer memory which can be used by programs to perform necessary tasks while the computer is on; an integrated circuit memory chip allows information to be stored or accessed in any order and all storage locations are equally accessible
a power tool used to buff surfaces
an inclined metal frame at the front of a locomotive to clear the track
(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
an implement consisting of soft material mounted on a block; used for polishing (as in manicuring)
a neutral zone between two rival powers that is created in order to diminish the danger of conflict
(chemistry) an ionic compound that resists changes in its pH

buffer (verb)	random-access memory (verb)
add a buffer (a solution)
protect from impact