空包[kuuhou] blank ammunition
こん包[konpou] packing
刺し身包丁[sashimibouchou] sashimi knife
紙包み[kamizutsumi] paper package
出刃包丁[debabouchou] knife

上包み[uwazutsumi] cover
内包[naihou] connotation
包み[tsutsumi] bundle
包みなく[tsutsuminaku] without concealment
包み隠し[tsutsumikakushi] concealment

御構いなく[okamainaku] please don't fuss over me
サーボ機構[saabokikou] servomechanism
シフト演算機構[shifutoenzankikou] shift arithmetic unit
ヒグス機構[higusukikou] Higgs mechanism (physics)
遺構[ikou] remains

一向に構わない[ikkounikamawanai] doesn't care at all
一般命令演算機構[ippanmeireienzankikou] general instruction unit (computer)
機構[kikou] mechanism
気構え[kigamae] readiness
虚構[kyokou] fiction