御化け[obake] goblin
御化け屋敷[obakeyashiki] haunted house
胡麻化し[gomakashi] hanky-panky
イオン化[ionka] ionization
カスタム化[kasutamuka] customization

コンピュータ化[konpyuutaka] computerization
シアン化合物[shiankagoubutsu] cyanide
シアン化物[shiankabutsu] cyanide
スリム化[surimuka] thinning
パーソナル化[paasonaruka] personalization

アナログデジタル変換器[anarogudejitaruhenkanki] analog-digital converter
パリティ変換[paritihenkan] parity transformation (physics)
異変[ihen] unusual phenomenon
移り変り[utsurikawari] change (e.g. season)
一定不変[itteifuhen] invariable

一風変った[ippuukawatta] eccentric
一変[ippen] complete change
黄変米[ouhenmai] spoiled rice
化学変化[kagakuhenka] chemical change
かな漢字変換[kanakanjihenkan] kana-kanji conversion (on a computer, etc.)

いい年をして[iitoshiwoshite] (in spite of) being old enough to know better
亥年[idoshi] year of the boar
一箇年[ikkanen] one year
一周年[isshuunen] one full year
一年以内に[ichineninaini] within a year

一年間[ichinenkan] (period of) one year
一年生[ichinensei] annual (plant)
一年草[ichinensou] annual (plant)
一年ぢゅう[ichinenjuu] all year round
一両年[ichiryounen] (a) year or two

易経[ekikyou] I Ching (Yi Jing) or The Book of Changes - one of the Five Classics
一切経[issaikyou] complete Buddhist scriptures
運動神経[undoushinkei] motor nerves
規模の経済[kibonokeizai] economies of scale
共同経営[kyoudoukeiei] joint management

経つ[tatsu] to pass
経る[heru] to pass
経緯[ikisatsu] details
経営[keiei] management
経営グループ[keieiguruupu] management group