stacker vs stack

stacker and stack both are nouns.

Word	Noun	Adjective	Verb	Adverb
stacker	Yes	No	No	No
stack	Yes	No	Yes	No

stacker (noun)	stack (noun)
a laborer who builds up a stack or pile	a large tall chimney through which combustion gases and smoke can be evacuated
	a storage device that handles data so that the next item to be retrieved is the item most recently stored (LIFO)
	a list in which the next item to be removed is the item most recently stored (LIFO)
	an orderly pile
	(often followed by `of') a large number or amount or extent

stacker (verb)	stack (verb)
	arrange in stacks
	load or cover with stacks
	arrange the order of so as to increase one's winning chances