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.)

悪質[akushitsu] bad quality
悪質化[akushitsuka] worsening
異質[ishitsu] different (quality, nature)
音楽の素質[ongakunososhitsu] aptitude for music
音質[onshitsu] tone quality

可塑物質[kasobusshitsu] plastics
画質[gashitsu] image quality (film, video, etc.)
灰白質[kaihakushitsu] gray matter
企業体質[kigyoutaishitsu] financial content
器質的[kishitsuteki] organic