交こう換かん法ほう則そくMeaningsNoun1. commutative lawKanji used交mingle換exchange法law則rulesPitch accentこうかんほうそくComposed of交こう換かんexchange; interchange; switching; reciprocity; barter; substitution; replacement; clearing (of checks, cheques)Noun法ほう則そくlaw; ruleNoun