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

くっ着ける[kuttsukeru] to attach
バス発着場[basuhacchakujou] depot
逢着[houchaku] encounter
悪戯着[itazuragi] rompers
圧着[acchaku] crimp

圧着端子[acchakutanshi] crimp contact
安着[anchaku] safe arrival
伊達着[dategi] showy clothes
移着[ichaku] adhering or embedding of wear debris in the opposing surface
磯巾着[isoginchaku] sea anemone