後ろ: (now rare, dialectal, Iwate, Hachijō, Kansai, Shikoku, Izumo, etc.) Nonstandard form of 後ろ (ushiro, “back, behind, rear”).

投手: (baseball) pitcher / 党首: (politics) party leader / 当主: a head of family / 頭首: a head of group

橈骨: (anatomy) radius - (The long bone in the forearm, on the side of the thumb.) / 頭骨: (anatomy) skull, cranium - (The main bone of the head.)

討議: debate, discussion / 闘技: competition, contest / 党議: party council

討議: debate

順当: proper, right, reasonable

ニューギニア島: New Guinea

東芝: Toshiba, a Japanese company

木刀: wooden sword used for practice

藤吉: a male given name