事故【じこ】
accident, incident, trouble, circumstances, reasons
故郷【こきょう】
hometown, birthplace, native place, one's old home
故郷【ふるさと】
hometown, birthplace, native place, one's old home, ruins, historic remains
故障【こしょう】
fault, trouble, breakdown, failure, being out of order, damage (to a part of the body), injury, hurt, problem, hitch, obstacle, hindrance, objection, protest
交通事故【こうつうじこ】
traffic accident
故意【こい】
intent, intention, bad faith, mens rea (guilty mind)
何故【なぜ】
why, how
故事【こじ】
historical event, ancient event, tradition, folklore, legend, origin
故に【ゆえに】
therefore, consequently
故人【こじん】
the deceased, the departed, old friend, longtime acquaintance
故国【ここく】
one's native land
縁故【えんこ】
relation, connection, affinity
無事故【むじこ】
without accident
人身事故【じんしんじこ】
accident resulting in personal injury or death (esp. traffic, rail, etc.)
物故【ぶっこ】
death (of a person)