accumulator vs grid

accumulator and grid both are nouns.

Word	Noun	Adjective	Verb	Adverb
accumulator	Yes	No	No	No
grid	Yes	No	No	No

accumulator (noun)	grid (noun)
a voltaic battery that stores electric charge	a cooking utensil of parallel metal bars; used to grill fish or meat
(computer science) a register that has a built-in adder that adds an input number to the contents of the register	an electrode placed between the cathode and anode of a vacuum tube to control the flow of electrons through the tube
a person who is employed to collect payments (as for rent or taxes)	a system of high tension cables by which electrical power is distributed throughout a region
	a perforated or corrugated metal plate used in a storage battery as a conductor and support for the active material
	a pattern of regularly spaced horizontal and vertical lines