core vs random-access memory

core and random-access memory both are nouns.

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

core (noun)	random-access memory (noun)
a bar of magnetic material (as soft iron) that passes through a coil and serves to increase the inductance of the coil	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
the chamber of a nuclear reactor containing the fissile material where the reaction takes place
(computer science) a tiny ferrite toroid formerly used in a random access memory to store one bit of data; now superseded by semiconductor memories
the choicest or most essential or most vital part of some idea or experience
the central meaning or theme of a speech or literary work
a small group of indispensable persons or things
the center of an object
the central part of the Earth
a cylindrical sample of soil or rock obtained with a hollow drill

core (verb)	random-access memory (verb)
remove the core or center from