山脈: mountain range

計算: calculation / 経産: parity / ケイ酸, 珪酸: silicic acid / 卦算: paperweight

計算: calculate

畜産: animal husbandry

an aunt who is older than one's parent

産地: place of production / 山地: mountainous area

サンチ: centimeter, especially of cannon caliber

one's house

三五: fifteen; three and five; alternate for 琵琶 (biwa, “a traditional biwa lute”) / 参伍: mixing together, mixture / 珊瑚: coral / 産後: after childbirth, the postpartum period

珊瑚礁: a coral reef