積極的【せっきょくてき】
positive, assertive, active, proactive, aggressive
面積【めんせき】
area (measurement), square measure, size (of land), floor space
累積【るいせき】
accumulation
蓄積【ちくせき】
accumulation, accumulate, store
積む【つむ】
to pile up, to stack, to load (car, ship, etc.), to pack, to acquire, to accumulate
見積もり【みつもり】
estimate, estimation, valuation, quotation
積雪【せきせつ】
fallen snow, snow cover
容積【ようせき】
capacity, volume
積載【せきさい】
loading, carrying
山積【さんせき】
piling up, accumulating, forming a (huge) pile, lying in piles
体積【たいせき】
capacity, volume
積み重ねる【つみかさねる】
to pile up, to accumulate
堆積【たいせき】
accumulation, pile, heap, sedimentation
積もる【つもる】
to pile up, to accumulate, to estimate
積もり【つもり】
intention, plan, purpose, expectation, belief, assumption, thought, conviction, estimate, estimation, calculation