Vocabulary consisting only from characters you are able to read
国会
kokkai
(abbr) National Diet, parliament, congressseiji
集中力
šuučuurjoku
(powers of) concentration, ability to concentratemix
終着駅
šuučakueki
terminal station/(P)leda1
黒星
kuroboši
(1)black spot/black dot/bull's-eye/ (2)failure mark (sumo)/(P) leda1