強要: to compel, to coerce, to exact / 教養: to edify / 共用: to share something used by all parties / 供用: to provide for the use of others

共和: collaboration; republicanism / 協和: cooperation, concord

協和: to be in concord

経典: sutra

共晶: eutectic composition / 協商: (diplomatic) agreement / 狭小: quality of being narrow / 胸章: a badge / 胸墻: breastwork / 橋床: the deck of a bridge / 競翔: pigeon racing / 強将: a strong leader, a brave general

狭小: narrow, small

お勉強: studying, studies, study

Kyūjitai form of 立方半八面体: cubohemioctahedron

cubohemioctahedron

Synonym of 水道橋 (suidōkyō, “aqueduct”) (an artificial channel conveying water)