層倍 そうばい Also written 相倍, 双倍 Meanings Suffix, Counter times Kanji 層 layer. Read as ソウ. 倍 double. Read as バイ. Words containing 層倍 薬九層倍 (くすりくそうばい) there is a huge markup in medicines, making it a profitable field Word lists Counters Jinuma: Japanese Dictionary · Word lists