委任[inin] charge
委任状[ininjou] commission
一任[ichinin] entrusting
引責辞任[insekijinin] taking responsibility upon oneself (and resigning)
解任[kainin] dismissal

帰任[kinin] return to one's post
共同責任[kyoudousekinin] joint responsibility
兼任[kennin] concurrent post
後任[kounin] successor
口任せ[kuchimakase] random talk

適わない[kanawanai] no match for
快適[kaiteki] pleasant
快適さ[kaitekisa] amenity
適う[kanau] to come true (wish)
適える[kanaeru] to grant (request, wish)

好適[kouteki] ideal
最適[saiteki] optimum
最適化[saitekika] optimization
素適[suteki] lovely
適確[tekkaku] precise