Vocabulary consisting only from characters you are able to read
空前
くうぜん
unprecedented, record-breakingmix
白星
しろぼし
(1)white circle/white star/ (2)victory mark (sumo)/(P) leda1
狭義
きょうぎ
narrow sense (e.g. of a word), strictmix
便乗
びんじょう
taking advantage of a ride or an opportunity, taking a shipsuru