#   Kanji   Kanji Level 3  
254   bai double; twice, -times 787
  ばいりつ 倍率 baırıtsu magnification ("double ratio") 2100 787
  ばいおん 倍音 baion overtone; harmonic  
  ばいきゅう 倍旧 baikyuu redoubled; increased