信しん書しょ開かい封ふう罪ざいMeaningsNoun1. (crime of) opening sealed correspondenceKanji used信belief書write開open封seal罪sinComposed of信しんhonesty; sincerity; fidelity; trust; reliance; confidence; (religious) faith; devotion; counter for received messagesNoun書しょbook; document; calligraphy (esp. Chinese); penmanship; handwriting; letter; noteNoun開かい封ふうopening (a letter, parcel, etc.); breaking the seal; unboxing (a product); unsealed mailNoun罪ざいcrimeSuffix