問う: ask, inquire; accuse (of a crime); care (about) / 訪う:

弟: younger brother

盗撮: secret photography, taking photos without the subject's permission / 透察: insight

冬星: a male given name

東亜: East Asia / 東: a surname

闘志: fighting spirit / 闘士: fighter / 投資: investment / 透視: seeing through / 凍死: death from cold / 刀子: small knife / 唐紙: Chinese paper / 倒死: dying on the side of the road / 島司: governor of an island

闘志: a male or female given name

投資: invest / 透視: see through / 凍死: freeze to death / 盗視: steal a glance

等価: equivalent

投下: investment / 透過: penetration / 灯火: lamp / 等価: equivalence / 糖化: saccharification / 灯下: by lamp / 踏歌: an ancient dance / 藤花: wisteria flower / 頭花: flower head / 東下: going east / 刀下: under the sword