御呪い[omajinai] good luck charm
呪い[noroi] curse
呪い[majinai] charm
呪う[norou] to curse
呪禁[jugon] vanquishing monsters, spirits, etc. with charms

呪術[jujutsu] magic
呪縛[jubaku] curse
呪文[jumon] spell
呪物[jubutsu] fetish
呪物崇拝[jubutsusuuhai] fetishism

隠密[onmitsu] privacy
過密[kamitsu] overcrowding
確率密度関数[kakuritsumitsudokansuu] probability density function
機密[kimitsu] secrecy
機密性[kimitsusei] confidentiality

機密保護[kimitsuhogo] security (e.g. data, password, etc.)
気密[kimitsu] airtight
気密室[kimitsushitsu] airtight chamber
緊密[kinmitsu] rigour
軍事秘密[gunjihimitsu] military secret