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.)

顔貌[ganbou] features
全貌[zenbou] whole story
体貌[taibou] appearance
美貌[bibou] beautiful face
変貌[henbou] transfiguration

容貌[youbou] looks
相貌[soubou] looks
外貌[gaibou] outward appearance
面貌[menbou] looks