heap (up),pile (up),make a heap/pile/stack of,assemble,put together,collect,hoard,store,stockpilestack
chimney,factory chimney,chimney stack,smokestack,funnel,exhaust pipe
a great deal,a lot,a great/large amount,a large quantity,quantities,plenty,abundance,superabundance,plethora,cornucopia,a wealth,profusion,a mountain,reams,lots,load,loads,heap,heaps,mass,masses,pile,piles,ocean,oceans,oodles,ton,tons,lashings,shedload,slew,gobs,scads,swagstack
arrange (a number of things) in a pile typically a neat one.
she stood up beginning to stack the plates
shuffle or arrange (a deck of cards) dishonestly so as to gain an unfair advantage.
(in snowboarding) fall over.stack
a pile of objects typically one that is neatly arranged.
a stack of boxes
a chimney especially one on a factory or a vertical exhaust pipe on a vehicle.stack