藁苞[warazuto] straw wrapper
苞苴[aramaki] salted salmon
苞葉[houyou] bract (leaf)
総苞[souhou] involucre

苞苴[housho] straw-wrapped item
山苞[yamazuto] souvenir from the mountains
藁苞[warasubo] Odontamblyopus lacepedii (species of eel goby)

遠雷[enrai] distant thunder
機雷[kirai] (sea) mine
機雷原[kiraigen] minefield
魚雷[gyorai] torpedo
魚雷艇[gyoraitei] torpedo boat

仕掛地雷[shikakejirai] booby trap
疾風迅雷[shippuujinrai] with lightning speed
襲雷[shuurai] lightning strike
人工雷[jinkourai] artificial lightning
迅雷[jinrai] thunderclap