volume, product (x*y), acreage, contents, pile up, stack, load, amass

せっきょくてき

positive, active, proactive

つむ

to pile up, to stack

つもる

to pile up

たいせき

capacity, volume

めんせき

area

ようせき

capacity, volume

ちくせき

accumulation, accumulate, store

みつもり

estimation, quotation