会則[kaisoku] society or club regulations
回線制御規則[kaisenseigyokisoku] line discipline
学則[gakusoku] school regulations
規則[kisoku] rules
規則を敗る[kisokuwoyaburu] to break the rules

規則正い[kisokutadashii] regular
規則的[kisokuteki] systematic
教則[kyousoku] rules of teaching
禁則[kinsoku] prohibition
原則[gensoku] principle

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.)