背比べ せいくらべ Also written せくらべ, 背較べ, 背競べ Meanings Noun, する verb, Intransitive comparing heights; comparison of statures Kanji 背 back. Read as せい. 比 compare. Read as くらべる. Words containing 背比べ どんぐりの背比べ (どんぐりのせいくらべ) having very little difference between one another Jinuma: Japanese Dictionary · Word lists