昆虫採集[konchuusaishuu] insect collecting
採掘[saikutsu] mining
採決[saiketsu] vote
採血[saiketsu] drawing blood
採算[saisan] profit

採算性[saisansei] profitability
採取[saishu] picking
採集[saishuu] collecting
採寸[saisun] taking measurements
採択[saitaku] adoption