事故【じこ】
accident, incident, trouble, circumstances, reasons
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
故郷【ふるさと】
hometown, birthplace, native place, one's old home, ruins, historic remains
交通事故【こうつうじこ】
traffic accident
故人【こじん】
the deceased, the departed, old friend, longtime acquaintance
故意【こい】
intent, intention, bad faith, mens rea (guilty mind)
故国【ここく】
one's native land
故事【こじ】
historical event, ancient event, tradition, folklore, legend, origin
故に【ゆえに】
therefore, consequently
何故【なぜ】
why, how