中期英語feith信仰faithこの語源をもつ英単語faith信頼・信仰faithful忠実なfaithfully忠実にfaithfulness忠実faithless信義に欠けるfaithlessness不信interfaith宗教間のunfaithful不実なunfaithfully不忠実にunfaithfulness不貞
