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.)

シュタイナー学校[shutainaagakkou] Steiner school
ビジネススクール入学共通試験[bijinesusukuurunyuugakukyoutsuushiken] business school entrance test
ロボット工学[robottokougaku] robotics
位相幾何学[isoukikagaku] topology
易学[ekigaku] study of divination

遺伝学[idengaku] genetics
遺伝子工学[idenshikougaku] genetic engineering
医化学[ikagaku] medical chemistry
医科大学[ikadaigaku] medical school
医学[igaku] medical science